Home / 109,224.20-163,836.30-74,232.20

Finding the Fourth Proportional to 109,224.20, 163,836.30 and 74,232.20

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Solution

The fourth proportional to 109,224.20, 163,836.30 and 74,232.20 is: 111,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,224.20 : 163,836.30 = 74,232.20 : x
  2. Step 2: Convert to fraction form
    109,224.20/163,836.30 = 74,232.20/x
  3. Step 3: Cross multiply
    109,224.20x = 163,836.30 × 74,232.20
  4. Step 4: Simplify right side
    109,224.20x = 12,161,928,988.86
  5. Step 5: Solve for x
    x = 12,161,928,988.86/109,224.20
  6. Step 6: Final answer
    x = 111,348.30

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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.