Home / 229,863.22-317,183.68-127,862.90

Finding the Fourth Proportional to 229,863.22, 317,183.68 and 127,862.90

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Solution

The fourth proportional to 229,863.22, 317,183.68 and 127,862.90 is: 176,435.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,863.22 : 317,183.68 = 127,862.90 : x
  2. Step 2: Convert to fraction form
    229,863.22/317,183.68 = 127,862.90/x
  3. Step 3: Cross multiply
    229,863.22x = 317,183.68 × 127,862.90
  4. Step 4: Simplify right side
    229,863.22x = 40,556,025,630.77
  5. Step 5: Solve for x
    x = 40,556,025,630.77/229,863.22
  6. Step 6: Final answer
    x = 176,435.47

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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.