Home / 237,141.78-327,258.23-129,709.45

Finding the Fourth Proportional to 237,141.78, 327,258.23 and 129,709.45

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Solution

The fourth proportional to 237,141.78, 327,258.23 and 129,709.45 is: 179,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,141.78 : 327,258.23 = 129,709.45 : x
  2. Step 2: Convert to fraction form
    237,141.78/327,258.23 = 129,709.45/x
  3. Step 3: Cross multiply
    237,141.78x = 327,258.23 × 129,709.45
  4. Step 4: Simplify right side
    237,141.78x = 42,448,484,781.80
  5. Step 5: Solve for x
    x = 42,448,484,781.80/237,141.78
  6. Step 6: Final answer
    x = 179,000.45

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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.