Home / 112,742.20-168,231.07-112,086.10

Finding the Fourth Proportional to 112,742.20, 168,231.07 and 112,086.10

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Solution

The fourth proportional to 112,742.20, 168,231.07 and 112,086.10 is: 167,252.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,742.20 : 168,231.07 = 112,086.10 : x
  2. Step 2: Convert to fraction form
    112,742.20/168,231.07 = 112,086.10/x
  3. Step 3: Cross multiply
    112,742.20x = 168,231.07 × 112,086.10
  4. Step 4: Simplify right side
    112,742.20x = 18,856,364,535.13
  5. Step 5: Solve for x
    x = 18,856,364,535.13/112,742.20
  6. Step 6: Final answer
    x = 167,252.05

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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.