Home / 193,972.32-290,552.40-156,319.20

Finding the Fourth Proportional to 193,972.32, 290,552.40 and 156,319.20

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Solution

The fourth proportional to 193,972.32, 290,552.40 and 156,319.20 is: 234,151.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,972.32 : 290,552.40 = 156,319.20 : x
  2. Step 2: Convert to fraction form
    193,972.32/290,552.40 = 156,319.20/x
  3. Step 3: Cross multiply
    193,972.32x = 290,552.40 × 156,319.20
  4. Step 4: Simplify right side
    193,972.32x = 45,418,918,726.08
  5. Step 5: Solve for x
    x = 45,418,918,726.08/193,972.32
  6. Step 6: Final answer
    x = 234,151.55

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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.