Home / 146,517.80-219,849.60-83,386.40

Finding the Fourth Proportional to 146,517.80, 219,849.60 and 83,386.40

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Solution

The fourth proportional to 146,517.80, 219,849.60 and 83,386.40 is: 125,121.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,517.80 : 219,849.60 = 83,386.40 : x
  2. Step 2: Convert to fraction form
    146,517.80/219,849.60 = 83,386.40/x
  3. Step 3: Cross multiply
    146,517.80x = 219,849.60 × 83,386.40
  4. Step 4: Simplify right side
    146,517.80x = 18,332,466,685.44
  5. Step 5: Solve for x
    x = 18,332,466,685.44/146,517.80
  6. Step 6: Final answer
    x = 125,121.09

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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.