Home / 167,225.12-230,769.49-90,742.28

Finding the Fourth Proportional to 167,225.12, 230,769.49 and 90,742.28

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Solution

The fourth proportional to 167,225.12, 230,769.49 and 90,742.28 is: 125,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,225.12 : 230,769.49 = 90,742.28 : x
  2. Step 2: Convert to fraction form
    167,225.12/230,769.49 = 90,742.28/x
  3. Step 3: Cross multiply
    167,225.12x = 230,769.49 × 90,742.28
  4. Step 4: Simplify right side
    167,225.12x = 20,940,548,466.48
  5. Step 5: Solve for x
    x = 20,940,548,466.48/167,225.12
  6. Step 6: Final answer
    x = 125,223.70

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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.