Home / 148,135.70-221,555.55-132,454.10

Finding the Fourth Proportional to 148,135.70, 221,555.55 and 132,454.10

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Solution

The fourth proportional to 148,135.70, 221,555.55 and 132,454.10 is: 198,101.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,135.70 : 221,555.55 = 132,454.10 : x
  2. Step 2: Convert to fraction form
    148,135.70/221,555.55 = 132,454.10/x
  3. Step 3: Cross multiply
    148,135.70x = 221,555.55 × 132,454.10
  4. Step 4: Simplify right side
    148,135.70x = 29,345,940,975.26
  5. Step 5: Solve for x
    x = 29,345,940,975.26/148,135.70
  6. Step 6: Final answer
    x = 198,101.75

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1.5x scale

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.