Home / 113,736.86-156,962.32-63,426.14

Finding the Fourth Proportional to 113,736.86, 156,962.32 and 63,426.14

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Solution

The fourth proportional to 113,736.86, 156,962.32 and 63,426.14 is: 87,531.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,736.86 : 156,962.32 = 63,426.14 : x
  2. Step 2: Convert to fraction form
    113,736.86/156,962.32 = 63,426.14/x
  3. Step 3: Cross multiply
    113,736.86x = 156,962.32 × 63,426.14
  4. Step 4: Simplify right side
    113,736.86x = 9,955,514,083.04
  5. Step 5: Solve for x
    x = 9,955,514,083.04/113,736.86
  6. Step 6: Final answer
    x = 87,531.11

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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.