Home / 226,103.66-312,026.70-124,138.52

Finding the Fourth Proportional to 226,103.66, 312,026.70 and 124,138.52

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Solution

The fourth proportional to 226,103.66, 312,026.70 and 124,138.52 is: 171,313.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,103.66 : 312,026.70 = 124,138.52 : x
  2. Step 2: Convert to fraction form
    226,103.66/312,026.70 = 124,138.52/x
  3. Step 3: Cross multiply
    226,103.66x = 312,026.70 × 124,138.52
  4. Step 4: Simplify right side
    226,103.66x = 38,734,530,557.66
  5. Step 5: Solve for x
    x = 38,734,530,557.66/226,103.66
  6. Step 6: Final answer
    x = 171,313.16

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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.