Home / 98,131.86-147,217.91-38,158.92

Finding the Fourth Proportional to 98,131.86, 147,217.91 and 38,158.92

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Solution

The fourth proportional to 98,131.86, 147,217.91 and 38,158.92 is: 57,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,131.86 : 147,217.91 = 38,158.92 : x
  2. Step 2: Convert to fraction form
    98,131.86/147,217.91 = 38,158.92/x
  3. Step 3: Cross multiply
    98,131.86x = 147,217.91 × 38,158.92
  4. Step 4: Simplify right side
    98,131.86x = 5,617,676,259.46
  5. Step 5: Solve for x
    x = 5,617,676,259.46/98,131.86
  6. Step 6: Final answer
    x = 57,246.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.