Home / 664,094.80-996,143.16-190,670.16

Finding the Fourth Proportional to 664,094.80, 996,143.16 and 190,670.16

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Solution

The fourth proportional to 664,094.80, 996,143.16 and 190,670.16 is: 286,005.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,094.80 : 996,143.16 = 190,670.16 : x
  2. Step 2: Convert to fraction form
    664,094.80/996,143.16 = 190,670.16/x
  3. Step 3: Cross multiply
    664,094.80x = 996,143.16 × 190,670.16
  4. Step 4: Simplify right side
    664,094.80x = 189,934,775,700.11
  5. Step 5: Solve for x
    x = 189,934,775,700.11/664,094.80
  6. Step 6: Final answer
    x = 286,005.52

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.