Home / 101,468.75-152,178.53-42,272.13

Finding the Fourth Proportional to 101,468.75, 152,178.53 and 42,272.13

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Solution

The fourth proportional to 101,468.75, 152,178.53 and 42,272.13 is: 63,397.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,468.75 : 152,178.53 = 42,272.13 : x
  2. Step 2: Convert to fraction form
    101,468.75/152,178.53 = 42,272.13/x
  3. Step 3: Cross multiply
    101,468.75x = 152,178.53 × 42,272.13
  4. Step 4: Simplify right side
    101,468.75x = 6,432,910,808.12
  5. Step 5: Solve for x
    x = 6,432,910,808.12/101,468.75
  6. Step 6: Final answer
    x = 63,397.95

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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.