Home / 109,275.31-163,937.67-33,380.74

Finding the Fourth Proportional to 109,275.31, 163,937.67 and 33,380.74

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Solution

The fourth proportional to 109,275.31, 163,937.67 and 33,380.74 is: 50,078.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,275.31 : 163,937.67 = 33,380.74 : x
  2. Step 2: Convert to fraction form
    109,275.31/163,937.67 = 33,380.74/x
  3. Step 3: Cross multiply
    109,275.31x = 163,937.67 × 33,380.74
  4. Step 4: Simplify right side
    109,275.31x = 5,472,360,738.48
  5. Step 5: Solve for x
    x = 5,472,360,738.48/109,275.31
  6. Step 6: Final answer
    x = 50,078.66

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1.5x scale

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.