Home / 99,814.30-149,721.45-95,877.70

Finding the Fourth Proportional to 99,814.30, 149,721.45 and 95,877.70

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Solution

The fourth proportional to 99,814.30, 149,721.45 and 95,877.70 is: 143,816.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,814.30 : 149,721.45 = 95,877.70 : x
  2. Step 2: Convert to fraction form
    99,814.30/149,721.45 = 95,877.70/x
  3. Step 3: Cross multiply
    99,814.30x = 149,721.45 × 95,877.70
  4. Step 4: Simplify right side
    99,814.30x = 14,354,948,266.67
  5. Step 5: Solve for x
    x = 14,354,948,266.67/99,814.30
  6. Step 6: Final answer
    x = 143,816.55

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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.