Home / 237,564.80-327,839.51-130,138.70

Finding the Fourth Proportional to 237,564.80, 327,839.51 and 130,138.70

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Solution

The fourth proportional to 237,564.80, 327,839.51 and 130,138.70 is: 179,591.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,564.80 : 327,839.51 = 130,138.70 : x
  2. Step 2: Convert to fraction form
    237,564.80/327,839.51 = 130,138.70/x
  3. Step 3: Cross multiply
    237,564.80x = 327,839.51 × 130,138.70
  4. Step 4: Simplify right side
    237,564.80x = 42,664,606,989.34
  5. Step 5: Solve for x
    x = 42,664,606,989.34/237,564.80
  6. Step 6: Final answer
    x = 179,591.45

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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.