Home / 220,660.16-304,495.62-125,182.22

Finding the Fourth Proportional to 220,660.16, 304,495.62 and 125,182.22

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Solution

The fourth proportional to 220,660.16, 304,495.62 and 125,182.22 is: 172,742.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,660.16 : 304,495.62 = 125,182.22 : x
  2. Step 2: Convert to fraction form
    220,660.16/304,495.62 = 125,182.22/x
  3. Step 3: Cross multiply
    220,660.16x = 304,495.62 × 125,182.22
  4. Step 4: Simplify right side
    220,660.16x = 38,117,437,691.88
  5. Step 5: Solve for x
    x = 38,117,437,691.88/220,660.16
  6. Step 6: Final answer
    x = 172,742.73

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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.