Home / 220,922.02-304,861.89-125,415.73

Finding the Fourth Proportional to 220,922.02, 304,861.89 and 125,415.73

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Solution

The fourth proportional to 220,922.02, 304,861.89 and 125,415.73 is: 173,067.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,922.02 : 304,861.89 = 125,415.73 : x
  2. Step 2: Convert to fraction form
    220,922.02/304,861.89 = 125,415.73/x
  3. Step 3: Cross multiply
    220,922.02x = 304,861.89 × 125,415.73
  4. Step 4: Simplify right side
    220,922.02x = 38,234,476,483.53
  5. Step 5: Solve for x
    x = 38,234,476,483.53/220,922.02
  6. Step 6: Final answer
    x = 173,067.75

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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.