Home / 220,447.31-304,219.19-124,936.16

Finding the Fourth Proportional to 220,447.31, 304,219.19 and 124,936.16

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Solution

The fourth proportional to 220,447.31, 304,219.19 and 124,936.16 is: 172,412.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,447.31 : 304,219.19 = 124,936.16 : x
  2. Step 2: Convert to fraction form
    220,447.31/304,219.19 = 124,936.16/x
  3. Step 3: Cross multiply
    220,447.31x = 304,219.19 × 124,936.16
  4. Step 4: Simplify right side
    220,447.31x = 38,007,976,188.15
  5. Step 5: Solve for x
    x = 38,007,976,188.15/220,447.31
  6. Step 6: Final answer
    x = 172,412.98

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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.