Home / 140,965.72-211,445.07-41,126.79

Finding the Fourth Proportional to 140,965.72, 211,445.07 and 41,126.79

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Solution

The fourth proportional to 140,965.72, 211,445.07 and 41,126.79 is: 61,689.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,965.72 : 211,445.07 = 41,126.79 : x
  2. Step 2: Convert to fraction form
    140,965.72/211,445.07 = 41,126.79/x
  3. Step 3: Cross multiply
    140,965.72x = 211,445.07 × 41,126.79
  4. Step 4: Simplify right side
    140,965.72x = 8,696,057,629.12
  5. Step 5: Solve for x
    x = 8,696,057,629.12/140,965.72
  6. Step 6: Final answer
    x = 61,689.16

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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.