Home / 124,379.04-186,566.84-74,472.92

Finding the Fourth Proportional to 124,379.04, 186,566.84 and 74,472.92

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Solution

The fourth proportional to 124,379.04, 186,566.84 and 74,472.92 is: 111,708.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,379.04 : 186,566.84 = 74,472.92 : x
  2. Step 2: Convert to fraction form
    124,379.04/186,566.84 = 74,472.92/x
  3. Step 3: Cross multiply
    124,379.04x = 186,566.84 × 74,472.92
  4. Step 4: Simplify right side
    124,379.04x = 13,894,176,044.77
  5. Step 5: Solve for x
    x = 13,894,176,044.77/124,379.04
  6. Step 6: Final answer
    x = 111,708.34

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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.