Home / 226,778.06-312,953.78-124,803.49

Finding the Fourth Proportional to 226,778.06, 312,953.78 and 124,803.49

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Solution

The fourth proportional to 226,778.06, 312,953.78 and 124,803.49 is: 172,228.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,778.06 : 312,953.78 = 124,803.49 : x
  2. Step 2: Convert to fraction form
    226,778.06/312,953.78 = 124,803.49/x
  3. Step 3: Cross multiply
    226,778.06x = 312,953.78 × 124,803.49
  4. Step 4: Simplify right side
    226,778.06x = 39,057,723,952.69
  5. Step 5: Solve for x
    x = 39,057,723,952.69/226,778.06
  6. Step 6: Final answer
    x = 172,228.85

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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.