Home / 226,105.59-312,029.38-124,140.45

Finding the Fourth Proportional to 226,105.59, 312,029.38 and 124,140.45

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Solution

The fourth proportional to 226,105.59, 312,029.38 and 124,140.45 is: 171,315.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,105.59 : 312,029.38 = 124,140.45 : x
  2. Step 2: Convert to fraction form
    226,105.59/312,029.38 = 124,140.45/x
  3. Step 3: Cross multiply
    226,105.59x = 312,029.38 × 124,140.45
  4. Step 4: Simplify right side
    226,105.59x = 38,735,467,646.42
  5. Step 5: Solve for x
    x = 38,735,467,646.42/226,105.59
  6. Step 6: Final answer
    x = 171,315.83

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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.