Home / 132,624.98-198,997.65-121,412.90

Finding the Fourth Proportional to 132,624.98, 198,997.65 and 121,412.90

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Solution

The fourth proportional to 132,624.98, 198,997.65 and 121,412.90 is: 182,174.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,624.98 : 198,997.65 = 121,412.90 : x
  2. Step 2: Convert to fraction form
    132,624.98/198,997.65 = 121,412.90/x
  3. Step 3: Cross multiply
    132,624.98x = 198,997.65 × 121,412.90
  4. Step 4: Simplify right side
    132,624.98x = 24,160,881,779.69
  5. Step 5: Solve for x
    x = 24,160,881,779.69/132,624.98
  6. Step 6: Final answer
    x = 182,174.44

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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.