Home / 112,201.30-154,857.83-66,882.18

Finding the Fourth Proportional to 112,201.30, 154,857.83 and 66,882.18

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Solution

The fourth proportional to 112,201.30, 154,857.83 and 66,882.18 is: 92,309.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,201.30 : 154,857.83 = 66,882.18 : x
  2. Step 2: Convert to fraction form
    112,201.30/154,857.83 = 66,882.18/x
  3. Step 3: Cross multiply
    112,201.30x = 154,857.83 × 66,882.18
  4. Step 4: Simplify right side
    112,201.30x = 10,357,229,071.24
  5. Step 5: Solve for x
    x = 10,357,229,071.24/112,201.30
  6. Step 6: Final answer
    x = 92,309.35

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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.