Home / 117,196.64-175,805.76-38,311.28

Finding the Fourth Proportional to 117,196.64, 175,805.76 and 38,311.28

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Solution

The fourth proportional to 117,196.64, 175,805.76 and 38,311.28 is: 57,470.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,196.64 : 175,805.76 = 38,311.28 : x
  2. Step 2: Convert to fraction form
    117,196.64/175,805.76 = 38,311.28/x
  3. Step 3: Cross multiply
    117,196.64x = 175,805.76 × 38,311.28
  4. Step 4: Simplify right side
    117,196.64x = 6,735,343,696.97
  5. Step 5: Solve for x
    x = 6,735,343,696.97/117,196.64
  6. Step 6: Final answer
    x = 57,470.45

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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.