Home / 227,680.72-314,218.19-125,716.30

Finding the Fourth Proportional to 227,680.72, 314,218.19 and 125,716.30

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Solution

The fourth proportional to 227,680.72, 314,218.19 and 125,716.30 is: 173,498.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,680.72 : 314,218.19 = 125,716.30 : x
  2. Step 2: Convert to fraction form
    227,680.72/314,218.19 = 125,716.30/x
  3. Step 3: Cross multiply
    227,680.72x = 314,218.19 × 125,716.30
  4. Step 4: Simplify right side
    227,680.72x = 39,502,346,039.82
  5. Step 5: Solve for x
    x = 39,502,346,039.82/227,680.72
  6. Step 6: Final answer
    x = 173,498.87

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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.