Home / 142,420.24-196,614.12-132,996.88

Finding the Fourth Proportional to 142,420.24, 196,614.12 and 132,996.88

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Solution

The fourth proportional to 142,420.24, 196,614.12 and 132,996.88 is: 183,604.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,420.24 : 196,614.12 = 132,996.88 : x
  2. Step 2: Convert to fraction form
    142,420.24/196,614.12 = 132,996.88/x
  3. Step 3: Cross multiply
    142,420.24x = 196,614.12 × 132,996.88
  4. Step 4: Simplify right side
    142,420.24x = 26,149,064,523.95
  5. Step 5: Solve for x
    x = 26,149,064,523.95/142,420.24
  6. Step 6: Final answer
    x = 183,604.97

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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.