Home / 157,428.90-236,143.35-151,305.30

Finding the Fourth Proportional to 157,428.90, 236,143.35 and 151,305.30

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Solution

The fourth proportional to 157,428.90, 236,143.35 and 151,305.30 is: 226,957.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,428.90 : 236,143.35 = 151,305.30 : x
  2. Step 2: Convert to fraction form
    157,428.90/236,143.35 = 151,305.30/x
  3. Step 3: Cross multiply
    157,428.90x = 236,143.35 × 151,305.30
  4. Step 4: Simplify right side
    157,428.90x = 35,729,740,414.76
  5. Step 5: Solve for x
    x = 35,729,740,414.76/157,428.90
  6. Step 6: Final answer
    x = 226,957.95

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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.