Home / 106,203.57-146,555.35-58,447.79

Finding the Fourth Proportional to 106,203.57, 146,555.35 and 58,447.79

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Solution

The fourth proportional to 106,203.57, 146,555.35 and 58,447.79 is: 80,654.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,203.57 : 146,555.35 = 58,447.79 : x
  2. Step 2: Convert to fraction form
    106,203.57/146,555.35 = 58,447.79/x
  3. Step 3: Cross multiply
    106,203.57x = 146,555.35 × 58,447.79
  4. Step 4: Simplify right side
    106,203.57x = 8,565,836,320.18
  5. Step 5: Solve for x
    x = 8,565,836,320.18/106,203.57
  6. Step 6: Final answer
    x = 80,654.88

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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.