Home / 129,517.32-194,275.26-40,777.32

Finding the Fourth Proportional to 129,517.32, 194,275.26 and 40,777.32

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Solution

The fourth proportional to 129,517.32, 194,275.26 and 40,777.32 is: 61,165.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,517.32 : 194,275.26 = 40,777.32 : x
  2. Step 2: Convert to fraction form
    129,517.32/194,275.26 = 40,777.32/x
  3. Step 3: Cross multiply
    129,517.32x = 194,275.26 × 40,777.32
  4. Step 4: Simplify right side
    129,517.32x = 7,922,024,445.10
  5. Step 5: Solve for x
    x = 7,922,024,445.10/129,517.32
  6. Step 6: Final answer
    x = 61,165.75

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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.