Home / 759,115.12-1,138,672.68-198,150.16

Finding the Fourth Proportional to 759,115.12, 1,138,672.68 and 198,150.16

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Solution

The fourth proportional to 759,115.12, 1,138,672.68 and 198,150.16 is: 297,225.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,115.12 : 1,138,672.68 = 198,150.16 : x
  2. Step 2: Convert to fraction form
    759,115.12/1,138,672.68 = 198,150.16/x
  3. Step 3: Cross multiply
    759,115.12x = 1,138,672.68 × 198,150.16
  4. Step 4: Simplify right side
    759,115.12x = 225,628,173,729.63
  5. Step 5: Solve for x
    x = 225,628,173,729.63/759,115.12
  6. Step 6: Final answer
    x = 297,225.24

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Double scale
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Similar ratio
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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.