Home / 226,919.16-313,145.85-124,942.48

Finding the Fourth Proportional to 226,919.16, 313,145.85 and 124,942.48

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Solution

The fourth proportional to 226,919.16, 313,145.85 and 124,942.48 is: 172,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,919.16 : 313,145.85 = 124,942.48 : x
  2. Step 2: Convert to fraction form
    226,919.16/313,145.85 = 124,942.48/x
  3. Step 3: Cross multiply
    226,919.16x = 313,145.85 × 124,942.48
  4. Step 4: Simplify right side
    226,919.16x = 39,125,219,100.71
  5. Step 5: Solve for x
    x = 39,125,219,100.71/226,919.16
  6. Step 6: Final answer
    x = 172,419.20

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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.