Home / 220,943.64-304,905.78-125,452.92

Finding the Fourth Proportional to 220,943.64, 304,905.78 and 125,452.92

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Solution

The fourth proportional to 220,943.64, 304,905.78 and 125,452.92 is: 173,127.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,943.64 : 304,905.78 = 125,452.92 : x
  2. Step 2: Convert to fraction form
    220,943.64/304,905.78 = 125,452.92/x
  3. Step 3: Cross multiply
    220,943.64x = 304,905.78 × 125,452.92
  4. Step 4: Simplify right side
    220,943.64x = 38,251,320,425.88
  5. Step 5: Solve for x
    x = 38,251,320,425.88/220,943.64
  6. Step 6: Final answer
    x = 173,127.05

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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.