Home / 112,275.20-167,917.08-99,882.56

Finding the Fourth Proportional to 112,275.20, 167,917.08 and 99,882.56

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Solution

The fourth proportional to 112,275.20, 167,917.08 and 99,882.56 is: 149,382.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,275.20 : 167,917.08 = 99,882.56 : x
  2. Step 2: Convert to fraction form
    112,275.20/167,917.08 = 99,882.56/x
  3. Step 3: Cross multiply
    112,275.20x = 167,917.08 × 99,882.56
  4. Step 4: Simplify right side
    112,275.20x = 16,771,987,818.12
  5. Step 5: Solve for x
    x = 16,771,987,818.12/112,275.20
  6. Step 6: Final answer
    x = 149,382.84

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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.