Home / 237,133.08-327,239.38-129,700.72

Finding the Fourth Proportional to 237,133.08, 327,239.38 and 129,700.72

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Solution

The fourth proportional to 237,133.08, 327,239.38 and 129,700.72 is: 178,984.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,133.08 : 327,239.38 = 129,700.72 : x
  2. Step 2: Convert to fraction form
    237,133.08/327,239.38 = 129,700.72/x
  3. Step 3: Cross multiply
    237,133.08x = 327,239.38 × 129,700.72
  4. Step 4: Simplify right side
    237,133.08x = 42,443,183,198.35
  5. Step 5: Solve for x
    x = 42,443,183,198.35/237,133.08
  6. Step 6: Final answer
    x = 178,984.66

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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.