Home / 167,930.81-231,499.68-127,574.52

Finding the Fourth Proportional to 167,930.81, 231,499.68 and 127,574.52

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Solution

The fourth proportional to 167,930.81, 231,499.68 and 127,574.52 is: 175,866.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,930.81 : 231,499.68 = 127,574.52 : x
  2. Step 2: Convert to fraction form
    167,930.81/231,499.68 = 127,574.52/x
  3. Step 3: Cross multiply
    167,930.81x = 231,499.68 × 127,574.52
  4. Step 4: Simplify right side
    167,930.81x = 29,533,459,398.66
  5. Step 5: Solve for x
    x = 29,533,459,398.66/167,930.81
  6. Step 6: Final answer
    x = 175,866.83

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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.