Home / 117,264.20-175,929.12-38,433.78

Finding the Fourth Proportional to 117,264.20, 175,929.12 and 38,433.78

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Solution

The fourth proportional to 117,264.20, 175,929.12 and 38,433.78 is: 57,661.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,264.20 : 175,929.12 = 38,433.78 : x
  2. Step 2: Convert to fraction form
    117,264.20/175,929.12 = 38,433.78/x
  3. Step 3: Cross multiply
    117,264.20x = 175,929.12 × 38,433.78
  4. Step 4: Simplify right side
    117,264.20x = 6,761,621,093.67
  5. Step 5: Solve for x
    x = 6,761,621,093.67/117,264.20
  6. Step 6: Final answer
    x = 57,661.43

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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.