Home / 157,732.20-236,598.30-149,178.60

Finding the Fourth Proportional to 157,732.20, 236,598.30 and 149,178.60

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Solution

The fourth proportional to 157,732.20, 236,598.30 and 149,178.60 is: 223,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,732.20 : 236,598.30 = 149,178.60 : x
  2. Step 2: Convert to fraction form
    157,732.20/236,598.30 = 149,178.60/x
  3. Step 3: Cross multiply
    157,732.20x = 236,598.30 × 149,178.60
  4. Step 4: Simplify right side
    157,732.20x = 35,295,403,156.38
  5. Step 5: Solve for x
    x = 35,295,403,156.38/157,732.20
  6. Step 6: Final answer
    x = 223,767.90

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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.