Home / 226,291.96-312,248.22-130,780.24

Finding the Fourth Proportional to 226,291.96, 312,248.22 and 130,780.24

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Solution

The fourth proportional to 226,291.96, 312,248.22 and 130,780.24 is: 180,456.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,291.96 : 312,248.22 = 130,780.24 : x
  2. Step 2: Convert to fraction form
    226,291.96/312,248.22 = 130,780.24/x
  3. Step 3: Cross multiply
    226,291.96x = 312,248.22 × 130,780.24
  4. Step 4: Simplify right side
    226,291.96x = 40,835,897,151.17
  5. Step 5: Solve for x
    x = 40,835,897,151.17/226,291.96
  6. Step 6: Final answer
    x = 180,456.69

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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.