Home / 226,282.60-312,284.10-125,680.36

Finding the Fourth Proportional to 226,282.60, 312,284.10 and 125,680.36

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Solution

The fourth proportional to 226,282.60, 312,284.10 and 125,680.36 is: 173,446.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,282.60 : 312,284.10 = 125,680.36 : x
  2. Step 2: Convert to fraction form
    226,282.60/312,284.10 = 125,680.36/x
  3. Step 3: Cross multiply
    226,282.60x = 312,284.10 × 125,680.36
  4. Step 4: Simplify right side
    226,282.60x = 39,247,978,110.28
  5. Step 5: Solve for x
    x = 39,247,978,110.28/226,282.60
  6. Step 6: Final answer
    x = 173,446.73

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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.