Home / 157,769.11-236,723.04-82,871.86

Finding the Fourth Proportional to 157,769.11, 236,723.04 and 82,871.86

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Solution

The fourth proportional to 157,769.11, 236,723.04 and 82,871.86 is: 124,344.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,769.11 : 236,723.04 = 82,871.86 : x
  2. Step 2: Convert to fraction form
    157,769.11/236,723.04 = 82,871.86/x
  3. Step 3: Cross multiply
    157,769.11x = 236,723.04 × 82,871.86
  4. Step 4: Simplify right side
    157,769.11x = 19,617,678,629.65
  5. Step 5: Solve for x
    x = 19,617,678,629.65/157,769.11
  6. Step 6: Final answer
    x = 124,344.23

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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.