Home / 220,858.28-304,853.22-125,428.52

Finding the Fourth Proportional to 220,858.28, 304,853.22 and 125,428.52

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Solution

The fourth proportional to 220,858.28, 304,853.22 and 125,428.52 is: 173,130.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,858.28 : 304,853.22 = 125,428.52 : x
  2. Step 2: Convert to fraction form
    220,858.28/304,853.22 = 125,428.52/x
  3. Step 3: Cross multiply
    220,858.28x = 304,853.22 × 125,428.52
  4. Step 4: Simplify right side
    220,858.28x = 38,237,288,201.83
  5. Step 5: Solve for x
    x = 38,237,288,201.83/220,858.28
  6. Step 6: Final answer
    x = 173,130.43

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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.