Home / 220,254.38-303,941.31-124,759.16

Finding the Fourth Proportional to 220,254.38, 303,941.31 and 124,759.16

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Solution

The fourth proportional to 220,254.38, 303,941.31 and 124,759.16 is: 172,162.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,254.38 : 303,941.31 = 124,759.16 : x
  2. Step 2: Convert to fraction form
    220,254.38/303,941.31 = 124,759.16/x
  3. Step 3: Cross multiply
    220,254.38x = 303,941.31 × 124,759.16
  4. Step 4: Simplify right side
    220,254.38x = 37,919,462,524.90
  5. Step 5: Solve for x
    x = 37,919,462,524.90/220,254.38
  6. Step 6: Final answer
    x = 172,162.13

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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.