Home / 220,760.28-304,640.73-125,261.28

Finding the Fourth Proportional to 220,760.28, 304,640.73 and 125,261.28

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Solution

The fourth proportional to 220,760.28, 304,640.73 and 125,261.28 is: 172,855.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,760.28 : 304,640.73 = 125,261.28 : x
  2. Step 2: Convert to fraction form
    220,760.28/304,640.73 = 125,261.28/x
  3. Step 3: Cross multiply
    220,760.28x = 304,640.73 × 125,261.28
  4. Step 4: Simplify right side
    220,760.28x = 38,159,687,779.93
  5. Step 5: Solve for x
    x = 38,159,687,779.93/220,760.28
  6. Step 6: Final answer
    x = 172,855.77

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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.