Home / 111,193.09-153,446.24-60,205.87

Finding the Fourth Proportional to 111,193.09, 153,446.24 and 60,205.87

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Solution

The fourth proportional to 111,193.09, 153,446.24 and 60,205.87 is: 83,083.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,193.09 : 153,446.24 = 60,205.87 : x
  2. Step 2: Convert to fraction form
    111,193.09/153,446.24 = 60,205.87/x
  3. Step 3: Cross multiply
    111,193.09x = 153,446.24 × 60,205.87
  4. Step 4: Simplify right side
    111,193.09x = 9,238,363,309.17
  5. Step 5: Solve for x
    x = 9,238,363,309.17/111,193.09
  6. Step 6: Final answer
    x = 83,083.97

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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.