Home / 148,023.78-204,260.04-83,489.46

Finding the Fourth Proportional to 148,023.78, 204,260.04 and 83,489.46

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Solution

The fourth proportional to 148,023.78, 204,260.04 and 83,489.46 is: 115,208.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,023.78 : 204,260.04 = 83,489.46 : x
  2. Step 2: Convert to fraction form
    148,023.78/204,260.04 = 83,489.46/x
  3. Step 3: Cross multiply
    148,023.78x = 204,260.04 × 83,489.46
  4. Step 4: Simplify right side
    148,023.78x = 17,053,560,439.18
  5. Step 5: Solve for x
    x = 17,053,560,439.18/148,023.78
  6. Step 6: Final answer
    x = 115,208.25

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1.5x scale

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.