Home / 148,747.70-205,251.14-87,496.66

Finding the Fourth Proportional to 148,747.70, 205,251.14 and 87,496.66

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Solution

The fourth proportional to 148,747.70, 205,251.14 and 87,496.66 is: 120,733.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,747.70 : 205,251.14 = 87,496.66 : x
  2. Step 2: Convert to fraction form
    148,747.70/205,251.14 = 87,496.66/x
  3. Step 3: Cross multiply
    148,747.70x = 205,251.14 × 87,496.66
  4. Step 4: Simplify right side
    148,747.70x = 17,958,788,184.94
  5. Step 5: Solve for x
    x = 17,958,788,184.94/148,747.70
  6. Step 6: Final answer
    x = 120,733.22

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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.