Home / 123,750.22-170,687.06-113,574.04

Finding the Fourth Proportional to 123,750.22, 170,687.06 and 113,574.04

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Solution

The fourth proportional to 123,750.22, 170,687.06 and 113,574.04 is: 156,651.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,750.22 : 170,687.06 = 113,574.04 : x
  2. Step 2: Convert to fraction form
    123,750.22/170,687.06 = 113,574.04/x
  3. Step 3: Cross multiply
    123,750.22x = 170,687.06 × 113,574.04
  4. Step 4: Simplify right side
    123,750.22x = 19,385,618,979.92
  5. Step 5: Solve for x
    x = 19,385,618,979.92/123,750.22
  6. Step 6: Final answer
    x = 156,651.19

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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.