Home / 220,845.15-304,743.42-124,059.87

Finding the Fourth Proportional to 220,845.15, 304,743.42 and 124,059.87

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Solution

The fourth proportional to 220,845.15, 304,743.42 and 124,059.87 is: 171,189.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,845.15 : 304,743.42 = 124,059.87 : x
  2. Step 2: Convert to fraction form
    220,845.15/304,743.42 = 124,059.87/x
  3. Step 3: Cross multiply
    220,845.15x = 304,743.42 × 124,059.87
  4. Step 4: Simplify right side
    220,845.15x = 37,806,429,068.56
  5. Step 5: Solve for x
    x = 37,806,429,068.56/220,845.15
  6. Step 6: Final answer
    x = 171,189.76

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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.