Home / 146,332.80-219,572.10-83,201.40

Finding the Fourth Proportional to 146,332.80, 219,572.10 and 83,201.40

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Solution

The fourth proportional to 146,332.80, 219,572.10 and 83,201.40 is: 124,843.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,332.80 : 219,572.10 = 83,201.40 : x
  2. Step 2: Convert to fraction form
    146,332.80/219,572.10 = 83,201.40/x
  3. Step 3: Cross multiply
    146,332.80x = 219,572.10 × 83,201.40
  4. Step 4: Simplify right side
    146,332.80x = 18,268,706,120.94
  5. Step 5: Solve for x
    x = 18,268,706,120.94/146,332.80
  6. Step 6: Final answer
    x = 124,843.55

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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.