Home / 283,521.12-425,040.30-125,663.46

Finding the Fourth Proportional to 283,521.12, 425,040.30 and 125,663.46

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Solution

The fourth proportional to 283,521.12, 425,040.30 and 125,663.46 is: 188,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,521.12 : 425,040.30 = 125,663.46 : x
  2. Step 2: Convert to fraction form
    283,521.12/425,040.30 = 125,663.46/x
  3. Step 3: Cross multiply
    283,521.12x = 425,040.30 × 125,663.46
  4. Step 4: Simplify right side
    283,521.12x = 53,412,034,737.44
  5. Step 5: Solve for x
    x = 53,412,034,737.44/283,521.12
  6. Step 6: Final answer
    x = 188,388.20

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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.