Home / 226,931.72-313,118.34-131,432.72

Finding the Fourth Proportional to 226,931.72, 313,118.34 and 131,432.72

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Solution

The fourth proportional to 226,931.72, 313,118.34 and 131,432.72 is: 181,349.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,931.72 : 313,118.34 = 131,432.72 : x
  2. Step 2: Convert to fraction form
    226,931.72/313,118.34 = 131,432.72/x
  3. Step 3: Cross multiply
    226,931.72x = 313,118.34 × 131,432.72
  4. Step 4: Simplify right side
    226,931.72x = 41,153,995,108.08
  5. Step 5: Solve for x
    x = 41,153,995,108.08/226,931.72
  6. Step 6: Final answer
    x = 181,349.68

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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.