Home / 136,224.29-187,990.45-75,797.48

Finding the Fourth Proportional to 136,224.29, 187,990.45 and 75,797.48

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Solution

The fourth proportional to 136,224.29, 187,990.45 and 75,797.48 is: 104,601.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,224.29 : 187,990.45 = 75,797.48 : x
  2. Step 2: Convert to fraction form
    136,224.29/187,990.45 = 75,797.48/x
  3. Step 3: Cross multiply
    136,224.29x = 187,990.45 × 75,797.48
  4. Step 4: Simplify right side
    136,224.29x = 14,249,202,654.55
  5. Step 5: Solve for x
    x = 14,249,202,654.55/136,224.29
  6. Step 6: Final answer
    x = 104,601.04

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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.