Home / 113,603.94-156,780.28-62,616.60

Finding the Fourth Proportional to 113,603.94, 156,780.28 and 62,616.60

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Solution

The fourth proportional to 113,603.94, 156,780.28 and 62,616.60 is: 86,414.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,603.94 : 156,780.28 = 62,616.60 : x
  2. Step 2: Convert to fraction form
    113,603.94/156,780.28 = 62,616.60/x
  3. Step 3: Cross multiply
    113,603.94x = 156,780.28 × 62,616.60
  4. Step 4: Simplify right side
    113,603.94x = 9,817,048,080.65
  5. Step 5: Solve for x
    x = 9,817,048,080.65/113,603.94
  6. Step 6: Final answer
    x = 86,414.68

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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.