Home / 148,180.39-204,476.00-87,740.21

Finding the Fourth Proportional to 148,180.39, 204,476.00 and 87,740.21

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Solution

The fourth proportional to 148,180.39, 204,476.00 and 87,740.21 is: 121,073.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,180.39 : 204,476.00 = 87,740.21 : x
  2. Step 2: Convert to fraction form
    148,180.39/204,476.00 = 87,740.21/x
  3. Step 3: Cross multiply
    148,180.39x = 204,476.00 × 87,740.21
  4. Step 4: Simplify right side
    148,180.39x = 17,940,767,252.45
  5. Step 5: Solve for x
    x = 17,940,767,252.45/148,180.39
  6. Step 6: Final answer
    x = 121,073.83

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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.