Home / 124,769.16-187,097.04-80,679.24

Finding the Fourth Proportional to 124,769.16, 187,097.04 and 80,679.24

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Solution

The fourth proportional to 124,769.16, 187,097.04 and 80,679.24 is: 120,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,769.16 : 187,097.04 = 80,679.24 : x
  2. Step 2: Convert to fraction form
    124,769.16/187,097.04 = 80,679.24/x
  3. Step 3: Cross multiply
    124,769.16x = 187,097.04 × 80,679.24
  4. Step 4: Simplify right side
    124,769.16x = 15,094,846,993.45
  5. Step 5: Solve for x
    x = 15,094,846,993.45/124,769.16
  6. Step 6: Final answer
    x = 120,982.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.