Home / 116,025.68-160,115.40-68,279.12

Finding the Fourth Proportional to 116,025.68, 160,115.40 and 68,279.12

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Solution

The fourth proportional to 116,025.68, 160,115.40 and 68,279.12 is: 94,225.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,025.68 : 160,115.40 = 68,279.12 : x
  2. Step 2: Convert to fraction form
    116,025.68/160,115.40 = 68,279.12/x
  3. Step 3: Cross multiply
    116,025.68x = 160,115.40 × 68,279.12
  4. Step 4: Simplify right side
    116,025.68x = 10,932,538,610.45
  5. Step 5: Solve for x
    x = 10,932,538,610.45/116,025.68
  6. Step 6: Final answer
    x = 94,225.16

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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.