Home / 121,337.40-181,933.20-62,288.40

Finding the Fourth Proportional to 121,337.40, 181,933.20 and 62,288.40

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Solution

The fourth proportional to 121,337.40, 181,933.20 and 62,288.40 is: 93,395.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,337.40 : 181,933.20 = 62,288.40 : x
  2. Step 2: Convert to fraction form
    121,337.40/181,933.20 = 62,288.40/x
  3. Step 3: Cross multiply
    121,337.40x = 181,933.20 × 62,288.40
  4. Step 4: Simplify right side
    121,337.40x = 11,332,327,934.88
  5. Step 5: Solve for x
    x = 11,332,327,934.88/121,337.40
  6. Step 6: Final answer
    x = 93,395.18

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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.