Home / 453,251.72-679,976.40-149,659.22

Finding the Fourth Proportional to 453,251.72, 679,976.40 and 149,659.22

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Solution

The fourth proportional to 453,251.72, 679,976.40 and 149,659.22 is: 224,521.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,251.72 : 679,976.40 = 149,659.22 : x
  2. Step 2: Convert to fraction form
    453,251.72/679,976.40 = 149,659.22/x
  3. Step 3: Cross multiply
    453,251.72x = 679,976.40 × 149,659.22
  4. Step 4: Simplify right side
    453,251.72x = 101,764,737,642.41
  5. Step 5: Solve for x
    x = 101,764,737,642.41/453,251.72
  6. Step 6: Final answer
    x = 224,521.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.