Home / 371,257.20-557,151.28-158,174.35

Finding the Fourth Proportional to 371,257.20, 557,151.28 and 158,174.35

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Solution

The fourth proportional to 371,257.20, 557,151.28 and 158,174.35 is: 237,374.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,257.20 : 557,151.28 = 158,174.35 : x
  2. Step 2: Convert to fraction form
    371,257.20/557,151.28 = 158,174.35/x
  3. Step 3: Cross multiply
    371,257.20x = 557,151.28 × 158,174.35
  4. Step 4: Simplify right side
    371,257.20x = 88,127,039,777.35
  5. Step 5: Solve for x
    x = 88,127,039,777.35/371,257.20
  6. Step 6: Final answer
    x = 237,374.63

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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.