Home / 226,818.96-312,989.82-131,332.10

Finding the Fourth Proportional to 226,818.96, 312,989.82 and 131,332.10

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Solution

The fourth proportional to 226,818.96, 312,989.82 and 131,332.10 is: 181,226.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,818.96 : 312,989.82 = 131,332.10 : x
  2. Step 2: Convert to fraction form
    226,818.96/312,989.82 = 131,332.10/x
  3. Step 3: Cross multiply
    226,818.96x = 312,989.82 × 131,332.10
  4. Step 4: Simplify right side
    226,818.96x = 41,105,610,339.22
  5. Step 5: Solve for x
    x = 41,105,610,339.22/226,818.96
  6. Step 6: Final answer
    x = 181,226.52

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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.