Home / 226,901.12-313,111.28-124,906.72

Finding the Fourth Proportional to 226,901.12, 313,111.28 and 124,906.72

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Solution

The fourth proportional to 226,901.12, 313,111.28 and 124,906.72 is: 172,364.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,901.12 : 313,111.28 = 124,906.72 : x
  2. Step 2: Convert to fraction form
    226,901.12/313,111.28 = 124,906.72/x
  3. Step 3: Cross multiply
    226,901.12x = 313,111.28 × 124,906.72
  4. Step 4: Simplify right side
    226,901.12x = 39,109,702,979.80
  5. Step 5: Solve for x
    x = 39,109,702,979.80/226,901.12
  6. Step 6: Final answer
    x = 172,364.52

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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.