Home / 227,281.12-313,662-125,306.08

Finding the Fourth Proportional to 227,281.12, 313,662 and 125,306.08

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Solution

The fourth proportional to 227,281.12, 313,662 and 125,306.08 is: 172,930.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,281.12 : 313,662 = 125,306.08 : x
  2. Step 2: Convert to fraction form
    227,281.12/313,662 = 125,306.08/x
  3. Step 3: Cross multiply
    227,281.12x = 313,662 × 125,306.08
  4. Step 4: Simplify right side
    227,281.12x = 39,303,755,664.96
  5. Step 5: Solve for x
    x = 39,303,755,664.96/227,281.12
  6. Step 6: Final answer
    x = 172,930.14

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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.