Home / 261,374.23-392,060.94-74,385.73

Finding the Fourth Proportional to 261,374.23, 392,060.94 and 74,385.73

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Solution

The fourth proportional to 261,374.23, 392,060.94 and 74,385.73 is: 111,578.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,374.23 : 392,060.94 = 74,385.73 : x
  2. Step 2: Convert to fraction form
    261,374.23/392,060.94 = 74,385.73/x
  3. Step 3: Cross multiply
    261,374.23x = 392,060.94 × 74,385.73
  4. Step 4: Simplify right side
    261,374.23x = 29,163,739,226.39
  5. Step 5: Solve for x
    x = 29,163,739,226.39/261,374.23
  6. Step 6: Final answer
    x = 111,578.48

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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.