Home / 148,512.90-204,928.92-84,854.82

Finding the Fourth Proportional to 148,512.90, 204,928.92 and 84,854.82

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Solution

The fourth proportional to 148,512.90, 204,928.92 and 84,854.82 is: 117,088.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,512.90 : 204,928.92 = 84,854.82 : x
  2. Step 2: Convert to fraction form
    148,512.90/204,928.92 = 84,854.82/x
  3. Step 3: Cross multiply
    148,512.90x = 204,928.92 × 84,854.82
  4. Step 4: Simplify right side
    148,512.90x = 17,389,206,619.39
  5. Step 5: Solve for x
    x = 17,389,206,619.39/148,512.90
  6. Step 6: Final answer
    x = 117,088.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.