Home / 220,933.30-304,890-125,442.04

Finding the Fourth Proportional to 220,933.30, 304,890 and 125,442.04

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Solution

The fourth proportional to 220,933.30, 304,890 and 125,442.04 is: 173,111.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,933.30 : 304,890 = 125,442.04 : x
  2. Step 2: Convert to fraction form
    220,933.30/304,890 = 125,442.04/x
  3. Step 3: Cross multiply
    220,933.30x = 304,890 × 125,442.04
  4. Step 4: Simplify right side
    220,933.30x = 38,246,023,575.60
  5. Step 5: Solve for x
    x = 38,246,023,575.60/220,933.30
  6. Step 6: Final answer
    x = 173,111.18

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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.