Home / 124,167.20-186,279.72-35,421.92

Finding the Fourth Proportional to 124,167.20, 186,279.72 and 35,421.92

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Solution

The fourth proportional to 124,167.20, 186,279.72 and 35,421.92 is: 53,141.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,167.20 : 186,279.72 = 35,421.92 : x
  2. Step 2: Convert to fraction form
    124,167.20/186,279.72 = 35,421.92/x
  3. Step 3: Cross multiply
    124,167.20x = 186,279.72 × 35,421.92
  4. Step 4: Simplify right side
    124,167.20x = 6,598,385,339.46
  5. Step 5: Solve for x
    x = 6,598,385,339.46/124,167.20
  6. Step 6: Final answer
    x = 53,141.13

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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.