Home / 113,767.31-156,998.77-62,780.03

Finding the Fourth Proportional to 113,767.31, 156,998.77 and 62,780.03

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Solution

The fourth proportional to 113,767.31, 156,998.77 and 62,780.03 is: 86,636.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,767.31 : 156,998.77 = 62,780.03 : x
  2. Step 2: Convert to fraction form
    113,767.31/156,998.77 = 62,780.03/x
  3. Step 3: Cross multiply
    113,767.31x = 156,998.77 × 62,780.03
  4. Step 4: Simplify right side
    113,767.31x = 9,856,387,137.36
  5. Step 5: Solve for x
    x = 9,856,387,137.36/113,767.31
  6. Step 6: Final answer
    x = 86,636.37

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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.