Home / 154,663.90-231,997.22-61,169.66

Finding the Fourth Proportional to 154,663.90, 231,997.22 and 61,169.66

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Solution

The fourth proportional to 154,663.90, 231,997.22 and 61,169.66 is: 91,755.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,663.90 : 231,997.22 = 61,169.66 : x
  2. Step 2: Convert to fraction form
    154,663.90/231,997.22 = 61,169.66/x
  3. Step 3: Cross multiply
    154,663.90x = 231,997.22 × 61,169.66
  4. Step 4: Simplify right side
    154,663.90x = 14,191,191,068.35
  5. Step 5: Solve for x
    x = 14,191,191,068.35/154,663.90
  6. Step 6: Final answer
    x = 91,755.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.