Home / 167,869.38-251,804.10-55,519.45

Finding the Fourth Proportional to 167,869.38, 251,804.10 and 55,519.45

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Solution

The fourth proportional to 167,869.38, 251,804.10 and 55,519.45 is: 83,279.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,869.38 : 251,804.10 = 55,519.45 : x
  2. Step 2: Convert to fraction form
    167,869.38/251,804.10 = 55,519.45/x
  3. Step 3: Cross multiply
    167,869.38x = 251,804.10 × 55,519.45
  4. Step 4: Simplify right side
    167,869.38x = 13,980,025,139.75
  5. Step 5: Solve for x
    x = 13,980,025,139.75/167,869.38
  6. Step 6: Final answer
    x = 83,279.18

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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.