Home / 220,321.94-304,019.60-124,808.18

Finding the Fourth Proportional to 220,321.94, 304,019.60 and 124,808.18

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Solution

The fourth proportional to 220,321.94, 304,019.60 and 124,808.18 is: 172,221.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,321.94 : 304,019.60 = 124,808.18 : x
  2. Step 2: Convert to fraction form
    220,321.94/304,019.60 = 124,808.18/x
  3. Step 3: Cross multiply
    220,321.94x = 304,019.60 × 124,808.18
  4. Step 4: Simplify right side
    220,321.94x = 37,944,132,960.33
  5. Step 5: Solve for x
    x = 37,944,132,960.33/220,321.94
  6. Step 6: Final answer
    x = 172,221.31

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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.