Home / 113,639.58-156,823.65-62,654.13

Finding the Fourth Proportional to 113,639.58, 156,823.65 and 62,654.13

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Solution

The fourth proportional to 113,639.58, 156,823.65 and 62,654.13 is: 86,463.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,639.58 : 156,823.65 = 62,654.13 : x
  2. Step 2: Convert to fraction form
    113,639.58/156,823.65 = 62,654.13/x
  3. Step 3: Cross multiply
    113,639.58x = 156,823.65 × 62,654.13
  4. Step 4: Simplify right side
    113,639.58x = 9,825,649,354.17
  5. Step 5: Solve for x
    x = 9,825,649,354.17/113,639.58
  6. Step 6: Final answer
    x = 86,463.27

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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.