Home / 185,749.45-256,337.22-105,174.82

Finding the Fourth Proportional to 185,749.45, 256,337.22 and 105,174.82

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Solution

The fourth proportional to 185,749.45, 256,337.22 and 105,174.82 is: 145,142.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,749.45 : 256,337.22 = 105,174.82 : x
  2. Step 2: Convert to fraction form
    185,749.45/256,337.22 = 105,174.82/x
  3. Step 3: Cross multiply
    185,749.45x = 256,337.22 × 105,174.82
  4. Step 4: Simplify right side
    185,749.45x = 26,960,220,972.80
  5. Step 5: Solve for x
    x = 26,960,220,972.80/185,749.45
  6. Step 6: Final answer
    x = 145,142.94

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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.