Home / 221,288.83-305,377.19-125,795.53

Finding the Fourth Proportional to 221,288.83, 305,377.19 and 125,795.53

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Solution

The fourth proportional to 221,288.83, 305,377.19 and 125,795.53 is: 173,597.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,288.83 : 305,377.19 = 125,795.53 : x
  2. Step 2: Convert to fraction form
    221,288.83/305,377.19 = 125,795.53/x
  3. Step 3: Cross multiply
    221,288.83x = 305,377.19 × 125,795.53
  4. Step 4: Simplify right side
    221,288.83x = 38,415,085,690.44
  5. Step 5: Solve for x
    x = 38,415,085,690.44/221,288.83
  6. Step 6: Final answer
    x = 173,597.04

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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.