Home / 448,515.18-672,883.50-132,972.07

Finding the Fourth Proportional to 448,515.18, 672,883.50 and 132,972.07

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Solution

The fourth proportional to 448,515.18, 672,883.50 and 132,972.07 is: 199,490.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,515.18 : 672,883.50 = 132,972.07 : x
  2. Step 2: Convert to fraction form
    448,515.18/672,883.50 = 132,972.07/x
  3. Step 3: Cross multiply
    448,515.18x = 672,883.50 × 132,972.07
  4. Step 4: Simplify right side
    448,515.18x = 89,474,711,863.85
  5. Step 5: Solve for x
    x = 89,474,711,863.85/448,515.18
  6. Step 6: Final answer
    x = 199,490.93

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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.