Home / 664,191.10-996,286.65-190,848.70

Finding the Fourth Proportional to 664,191.10, 996,286.65 and 190,848.70

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Solution

The fourth proportional to 664,191.10, 996,286.65 and 190,848.70 is: 286,273.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,191.10 : 996,286.65 = 190,848.70 : x
  2. Step 2: Convert to fraction form
    664,191.10/996,286.65 = 190,848.70/x
  3. Step 3: Cross multiply
    664,191.10x = 996,286.65 × 190,848.70
  4. Step 4: Simplify right side
    664,191.10x = 190,140,011,979.86
  5. Step 5: Solve for x
    x = 190,140,011,979.86/664,191.10
  6. Step 6: Final answer
    x = 286,273.05

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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.