Home / 220,593.14-304,407.42-125,108.72

Finding the Fourth Proportional to 220,593.14, 304,407.42 and 125,108.72

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Solution

The fourth proportional to 220,593.14, 304,407.42 and 125,108.72 is: 172,643.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,593.14 : 304,407.42 = 125,108.72 : x
  2. Step 2: Convert to fraction form
    220,593.14/304,407.42 = 125,108.72/x
  3. Step 3: Cross multiply
    220,593.14x = 304,407.42 × 125,108.72
  4. Step 4: Simplify right side
    220,593.14x = 38,084,022,674.70
  5. Step 5: Solve for x
    x = 38,084,022,674.70/220,593.14
  6. Step 6: Final answer
    x = 172,643.73

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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.