Home / 123,373.26-170,253.61-69,660.54

Finding the Fourth Proportional to 123,373.26, 170,253.61 and 69,660.54

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Solution

The fourth proportional to 123,373.26, 170,253.61 and 69,660.54 is: 96,130.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,373.26 : 170,253.61 = 69,660.54 : x
  2. Step 2: Convert to fraction form
    123,373.26/170,253.61 = 69,660.54/x
  3. Step 3: Cross multiply
    123,373.26x = 170,253.61 × 69,660.54
  4. Step 4: Simplify right side
    123,373.26x = 11,859,958,235.40
  5. Step 5: Solve for x
    x = 11,859,958,235.40/123,373.26
  6. Step 6: Final answer
    x = 96,130.70

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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.