Home / 226,143.60-312,084.12-124,175.64

Finding the Fourth Proportional to 226,143.60, 312,084.12 and 124,175.64

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Solution

The fourth proportional to 226,143.60, 312,084.12 and 124,175.64 is: 171,365.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,143.60 : 312,084.12 = 124,175.64 : x
  2. Step 2: Convert to fraction form
    226,143.60/312,084.12 = 124,175.64/x
  3. Step 3: Cross multiply
    226,143.60x = 312,084.12 × 124,175.64
  4. Step 4: Simplify right side
    226,143.60x = 38,753,245,334.84
  5. Step 5: Solve for x
    x = 38,753,245,334.84/226,143.60
  6. Step 6: Final answer
    x = 171,365.65

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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.