Home / 237,407.64-327,620.13-129,976.74

Finding the Fourth Proportional to 237,407.64, 327,620.13 and 129,976.74

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Solution

The fourth proportional to 237,407.64, 327,620.13 and 129,976.74 is: 179,366.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,407.64 : 327,620.13 = 129,976.74 : x
  2. Step 2: Convert to fraction form
    237,407.64/327,620.13 = 129,976.74/x
  3. Step 3: Cross multiply
    237,407.64x = 327,620.13 × 129,976.74
  4. Step 4: Simplify right side
    237,407.64x = 42,582,996,455.78
  5. Step 5: Solve for x
    x = 42,582,996,455.78/237,407.64
  6. Step 6: Final answer
    x = 179,366.58

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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.