Home / 129,582.74-194,121.92-73,252.45

Finding the Fourth Proportional to 129,582.74, 194,121.92 and 73,252.45

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Solution

The fourth proportional to 129,582.74, 194,121.92 and 73,252.45 is: 109,736.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,582.74 : 194,121.92 = 73,252.45 : x
  2. Step 2: Convert to fraction form
    129,582.74/194,121.92 = 73,252.45/x
  3. Step 3: Cross multiply
    129,582.74x = 194,121.92 × 73,252.45
  4. Step 4: Simplify right side
    129,582.74x = 14,219,904,901.83
  5. Step 5: Solve for x
    x = 14,219,904,901.83/129,582.74
  6. Step 6: Final answer
    x = 109,736.10

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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.