Home / 170,815.30-255,618.15-148,869.70

Finding the Fourth Proportional to 170,815.30, 255,618.15 and 148,869.70

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Solution

The fourth proportional to 170,815.30, 255,618.15 and 148,869.70 is: 222,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,815.30 : 255,618.15 = 148,869.70 : x
  2. Step 2: Convert to fraction form
    170,815.30/255,618.15 = 148,869.70/x
  3. Step 3: Cross multiply
    170,815.30x = 255,618.15 × 148,869.70
  4. Step 4: Simplify right side
    170,815.30x = 38,053,797,305.06
  5. Step 5: Solve for x
    x = 38,053,797,305.06/170,815.30
  6. Step 6: Final answer
    x = 222,777.45

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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.