Home / 231,251.90-346,667.45-89,006.45

Finding the Fourth Proportional to 231,251.90, 346,667.45 and 89,006.45

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Solution

The fourth proportional to 231,251.90, 346,667.45 and 89,006.45 is: 133,428.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,251.90 : 346,667.45 = 89,006.45 : x
  2. Step 2: Convert to fraction form
    231,251.90/346,667.45 = 89,006.45/x
  3. Step 3: Cross multiply
    231,251.90x = 346,667.45 × 89,006.45
  4. Step 4: Simplify right side
    231,251.90x = 30,855,636,876.68
  5. Step 5: Solve for x
    x = 30,855,636,876.68/231,251.90
  6. Step 6: Final answer
    x = 133,428.69

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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.