Home / 220,764.78-304,646.94-125,265.78

Finding the Fourth Proportional to 220,764.78, 304,646.94 and 125,265.78

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Solution

The fourth proportional to 220,764.78, 304,646.94 and 125,265.78 is: 172,861.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,764.78 : 304,646.94 = 125,265.78 : x
  2. Step 2: Convert to fraction form
    220,764.78/304,646.94 = 125,265.78/x
  3. Step 3: Cross multiply
    220,764.78x = 304,646.94 × 125,265.78
  4. Step 4: Simplify right side
    220,764.78x = 38,161,836,563.71
  5. Step 5: Solve for x
    x = 38,161,836,563.71/220,764.78
  6. Step 6: Final answer
    x = 172,861.98

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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.