Home / 109,232.04-150,751.56-66,818.80

Finding the Fourth Proportional to 109,232.04, 150,751.56 and 66,818.80

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Solution

The fourth proportional to 109,232.04, 150,751.56 and 66,818.80 is: 92,216.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,232.04 : 150,751.56 = 66,818.80 : x
  2. Step 2: Convert to fraction form
    109,232.04/150,751.56 = 66,818.80/x
  3. Step 3: Cross multiply
    109,232.04x = 150,751.56 × 66,818.80
  4. Step 4: Simplify right side
    109,232.04x = 10,073,038,337.33
  5. Step 5: Solve for x
    x = 10,073,038,337.33/109,232.04
  6. Step 6: Final answer
    x = 92,216.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.