Home / 237,132.08-327,238-129,699.72

Finding the Fourth Proportional to 237,132.08, 327,238 and 129,699.72

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Solution

The fourth proportional to 237,132.08, 327,238 and 129,699.72 is: 178,983.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,132.08 : 327,238 = 129,699.72 : x
  2. Step 2: Convert to fraction form
    237,132.08/327,238 = 129,699.72/x
  3. Step 3: Cross multiply
    237,132.08x = 327,238 × 129,699.72
  4. Step 4: Simplify right side
    237,132.08x = 42,442,676,973.36
  5. Step 5: Solve for x
    x = 42,442,676,973.36/237,132.08
  6. Step 6: Final answer
    x = 178,983.28

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1.5x scale

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.