Home / 106,040.88-146,278.52-65,182.80

Finding the Fourth Proportional to 106,040.88, 146,278.52 and 65,182.80

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Solution

The fourth proportional to 106,040.88, 146,278.52 and 65,182.80 is: 89,916.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,040.88 : 146,278.52 = 65,182.80 : x
  2. Step 2: Convert to fraction form
    106,040.88/146,278.52 = 65,182.80/x
  3. Step 3: Cross multiply
    106,040.88x = 146,278.52 × 65,182.80
  4. Step 4: Simplify right side
    106,040.88x = 9,534,843,513.46
  5. Step 5: Solve for x
    x = 9,534,843,513.46/106,040.88
  6. Step 6: Final answer
    x = 89,916.68

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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.