Home / 112,274.10-167,589.11-98,988.42

Finding the Fourth Proportional to 112,274.10, 167,589.11 and 98,988.42

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Solution

The fourth proportional to 112,274.10, 167,589.11 and 98,988.42 is: 147,757.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,274.10 : 167,589.11 = 98,988.42 : x
  2. Step 2: Convert to fraction form
    112,274.10/167,589.11 = 98,988.42/x
  3. Step 3: Cross multiply
    112,274.10x = 167,589.11 × 98,988.42
  4. Step 4: Simplify right side
    112,274.10x = 16,589,380,713.16
  5. Step 5: Solve for x
    x = 16,589,380,713.16/112,274.10
  6. Step 6: Final answer
    x = 147,757.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.