Home / 141,807.08-212,793.30-53,122.88

Finding the Fourth Proportional to 141,807.08, 212,793.30 and 53,122.88

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Solution

The fourth proportional to 141,807.08, 212,793.30 and 53,122.88 is: 79,715.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,807.08 : 212,793.30 = 53,122.88 : x
  2. Step 2: Convert to fraction form
    141,807.08/212,793.30 = 53,122.88/x
  3. Step 3: Cross multiply
    141,807.08x = 212,793.30 × 53,122.88
  4. Step 4: Simplify right side
    141,807.08x = 11,304,192,940.70
  5. Step 5: Solve for x
    x = 11,304,192,940.70/141,807.08
  6. Step 6: Final answer
    x = 79,715.29

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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.