Home / 220,929.02-304,871.55-125,422.73

Finding the Fourth Proportional to 220,929.02, 304,871.55 and 125,422.73

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Solution

The fourth proportional to 220,929.02, 304,871.55 and 125,422.73 is: 173,077.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,929.02 : 304,871.55 = 125,422.73 : x
  2. Step 2: Convert to fraction form
    220,929.02/304,871.55 = 125,422.73/x
  3. Step 3: Cross multiply
    220,929.02x = 304,871.55 × 125,422.73
  4. Step 4: Simplify right side
    220,929.02x = 38,237,822,100.33
  5. Step 5: Solve for x
    x = 38,237,822,100.33/220,929.02
  6. Step 6: Final answer
    x = 173,077.41

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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.