Home / 237,799.20-328,161.60-130,373.76

Finding the Fourth Proportional to 237,799.20, 328,161.60 and 130,373.76

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Solution

The fourth proportional to 237,799.20, 328,161.60 and 130,373.76 is: 179,915.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,799.20 : 328,161.60 = 130,373.76 : x
  2. Step 2: Convert to fraction form
    237,799.20/328,161.60 = 130,373.76/x
  3. Step 3: Cross multiply
    237,799.20x = 328,161.60 × 130,373.76
  4. Step 4: Simplify right side
    237,799.20x = 42,783,661,679.62
  5. Step 5: Solve for x
    x = 42,783,661,679.62/237,799.20
  6. Step 6: Final answer
    x = 179,915.08

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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.