Home / 113,428.24-156,531.40-63,127.24

Finding the Fourth Proportional to 113,428.24, 156,531.40 and 63,127.24

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Solution

The fourth proportional to 113,428.24, 156,531.40 and 63,127.24 is: 87,115.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,428.24 : 156,531.40 = 63,127.24 : x
  2. Step 2: Convert to fraction form
    113,428.24/156,531.40 = 63,127.24/x
  3. Step 3: Cross multiply
    113,428.24x = 156,531.40 × 63,127.24
  4. Step 4: Simplify right side
    113,428.24x = 9,881,395,255.34
  5. Step 5: Solve for x
    x = 9,881,395,255.34/113,428.24
  6. Step 6: Final answer
    x = 87,115.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.