Home / 117,431.27-176,153.06-89,395.28

Finding the Fourth Proportional to 117,431.27, 176,153.06 and 89,395.28

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Solution

The fourth proportional to 117,431.27, 176,153.06 and 89,395.28 is: 134,097.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,431.27 : 176,153.06 = 89,395.28 : x
  2. Step 2: Convert to fraction form
    117,431.27/176,153.06 = 89,395.28/x
  3. Step 3: Cross multiply
    117,431.27x = 176,153.06 × 89,395.28
  4. Step 4: Simplify right side
    117,431.27x = 15,747,252,121.56
  5. Step 5: Solve for x
    x = 15,747,252,121.56/117,431.27
  6. Step 6: Final answer
    x = 134,097.61

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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.