Home / 133,818.08-184,668.66-77,229.45

Finding the Fourth Proportional to 133,818.08, 184,668.66 and 77,229.45

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Solution

The fourth proportional to 133,818.08, 184,668.66 and 77,229.45 is: 106,576.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,818.08 : 184,668.66 = 77,229.45 : x
  2. Step 2: Convert to fraction form
    133,818.08/184,668.66 = 77,229.45/x
  3. Step 3: Cross multiply
    133,818.08x = 184,668.66 × 77,229.45
  4. Step 4: Simplify right side
    133,818.08x = 14,261,859,044.04
  5. Step 5: Solve for x
    x = 14,261,859,044.04/133,818.08
  6. Step 6: Final answer
    x = 106,576.48

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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.