Home / 237,135.53-327,244.65-129,707.66

Finding the Fourth Proportional to 237,135.53, 327,244.65 and 129,707.66

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Solution

The fourth proportional to 237,135.53, 327,244.65 and 129,707.66 is: 178,995.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,135.53 : 327,244.65 = 129,707.66 : x
  2. Step 2: Convert to fraction form
    237,135.53/327,244.65 = 129,707.66/x
  3. Step 3: Cross multiply
    237,135.53x = 327,244.65 × 129,707.66
  4. Step 4: Simplify right side
    237,135.53x = 42,446,137,799.02
  5. Step 5: Solve for x
    x = 42,446,137,799.02/237,135.53
  6. Step 6: Final answer
    x = 178,995.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.