Home / 167,980.29-231,812.81-92,528.79

Finding the Fourth Proportional to 167,980.29, 231,812.81 and 92,528.79

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Solution

The fourth proportional to 167,980.29, 231,812.81 and 92,528.79 is: 127,689.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,980.29 : 231,812.81 = 92,528.79 : x
  2. Step 2: Convert to fraction form
    167,980.29/231,812.81 = 92,528.79/x
  3. Step 3: Cross multiply
    167,980.29x = 231,812.81 × 92,528.79
  4. Step 4: Simplify right side
    167,980.29x = 21,449,358,351.32
  5. Step 5: Solve for x
    x = 21,449,358,351.32/167,980.29
  6. Step 6: Final answer
    x = 127,689.74

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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.