Home / 106,399.30-146,832-58,654.36

Finding the Fourth Proportional to 106,399.30, 146,832 and 58,654.36

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Solution

The fourth proportional to 106,399.30, 146,832 and 58,654.36 is: 80,943.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,399.30 : 146,832 = 58,654.36 : x
  2. Step 2: Convert to fraction form
    106,399.30/146,832 = 58,654.36/x
  3. Step 3: Cross multiply
    106,399.30x = 146,832 × 58,654.36
  4. Step 4: Simplify right side
    106,399.30x = 8,612,336,987.52
  5. Step 5: Solve for x
    x = 8,612,336,987.52/106,399.30
  6. Step 6: Final answer
    x = 80,943.55

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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.