Home / 113,412.58-156,508.13-62,424.21

Finding the Fourth Proportional to 113,412.58, 156,508.13 and 62,424.21

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Solution

The fourth proportional to 113,412.58, 156,508.13 and 62,424.21 is: 86,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,412.58 : 156,508.13 = 62,424.21 : x
  2. Step 2: Convert to fraction form
    113,412.58/156,508.13 = 62,424.21/x
  3. Step 3: Cross multiply
    113,412.58x = 156,508.13 × 62,424.21
  4. Step 4: Simplify right side
    113,412.58x = 9,769,896,373.83
  5. Step 5: Solve for x
    x = 9,769,896,373.83/113,412.58
  6. Step 6: Final answer
    x = 86,144.73

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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.