Home / 113,741.13-156,962.75-63,440.13

Finding the Fourth Proportional to 113,741.13, 156,962.75 and 63,440.13

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Solution

The fourth proportional to 113,741.13, 156,962.75 and 63,440.13 is: 87,547.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,741.13 : 156,962.75 = 63,440.13 : x
  2. Step 2: Convert to fraction form
    113,741.13/156,962.75 = 63,440.13/x
  3. Step 3: Cross multiply
    113,741.13x = 156,962.75 × 63,440.13
  4. Step 4: Simplify right side
    113,741.13x = 9,957,737,265.16
  5. Step 5: Solve for x
    x = 9,957,737,265.16/113,741.13
  6. Step 6: Final answer
    x = 87,547.37

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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.