Home / 237,803.20-328,167.12-130,377.76

Finding the Fourth Proportional to 237,803.20, 328,167.12 and 130,377.76

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Solution

The fourth proportional to 237,803.20, 328,167.12 and 130,377.76 is: 179,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,803.20 : 328,167.12 = 130,377.76 : x
  2. Step 2: Convert to fraction form
    237,803.20/328,167.12 = 130,377.76/x
  3. Step 3: Cross multiply
    237,803.20x = 328,167.12 × 130,377.76
  4. Step 4: Simplify right side
    237,803.20x = 42,785,694,011.25
  5. Step 5: Solve for x
    x = 42,785,694,011.25/237,803.20
  6. Step 6: Final answer
    x = 179,920.60

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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.