Home / 140,738.96-211,085.76-61,838.48

Finding the Fourth Proportional to 140,738.96, 211,085.76 and 61,838.48

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Solution

The fourth proportional to 140,738.96, 211,085.76 and 61,838.48 is: 92,747.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,738.96 : 211,085.76 = 61,838.48 : x
  2. Step 2: Convert to fraction form
    140,738.96/211,085.76 = 61,838.48/x
  3. Step 3: Cross multiply
    140,738.96x = 211,085.76 × 61,838.48
  4. Step 4: Simplify right side
    140,738.96x = 13,053,222,548.04
  5. Step 5: Solve for x
    x = 13,053,222,548.04/140,738.96
  6. Step 6: Final answer
    x = 92,747.75

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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.