Home / 119,800.44-165,318.62-72,044.52

Finding the Fourth Proportional to 119,800.44, 165,318.62 and 72,044.52

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Solution

The fourth proportional to 119,800.44, 165,318.62 and 72,044.52 is: 99,417.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,800.44 : 165,318.62 = 72,044.52 : x
  2. Step 2: Convert to fraction form
    119,800.44/165,318.62 = 72,044.52/x
  3. Step 3: Cross multiply
    119,800.44x = 165,318.62 × 72,044.52
  4. Step 4: Simplify right side
    119,800.44x = 11,910,300,624.96
  5. Step 5: Solve for x
    x = 11,910,300,624.96/119,800.44
  6. Step 6: Final answer
    x = 99,417.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.