Home / 148,124.70-221,539.05-132,443.10

Finding the Fourth Proportional to 148,124.70, 221,539.05 and 132,443.10

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Solution

The fourth proportional to 148,124.70, 221,539.05 and 132,443.10 is: 198,085.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,124.70 : 221,539.05 = 132,443.10 : x
  2. Step 2: Convert to fraction form
    148,124.70/221,539.05 = 132,443.10/x
  3. Step 3: Cross multiply
    148,124.70x = 221,539.05 × 132,443.10
  4. Step 4: Simplify right side
    148,124.70x = 29,341,318,553.06
  5. Step 5: Solve for x
    x = 29,341,318,553.06/148,124.70
  6. Step 6: Final answer
    x = 198,085.25

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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.