Home / 101,326.20-152,044.02-42,202.68

Finding the Fourth Proportional to 101,326.20, 152,044.02 and 42,202.68

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Solution

The fourth proportional to 101,326.20, 152,044.02 and 42,202.68 is: 63,326.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,326.20 : 152,044.02 = 42,202.68 : x
  2. Step 2: Convert to fraction form
    101,326.20/152,044.02 = 42,202.68/x
  3. Step 3: Cross multiply
    101,326.20x = 152,044.02 × 42,202.68
  4. Step 4: Simplify right side
    101,326.20x = 6,416,665,121.97
  5. Step 5: Solve for x
    x = 6,416,665,121.97/101,326.20
  6. Step 6: Final answer
    x = 63,326.81

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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.