Home / 140,763.41-211,165.71-40,910.60

Finding the Fourth Proportional to 140,763.41, 211,165.71 and 40,910.60

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Solution

The fourth proportional to 140,763.41, 211,165.71 and 40,910.60 is: 61,371.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,763.41 : 211,165.71 = 40,910.60 : x
  2. Step 2: Convert to fraction form
    140,763.41/211,165.71 = 40,910.60/x
  3. Step 3: Cross multiply
    140,763.41x = 211,165.71 × 40,910.60
  4. Step 4: Simplify right side
    140,763.41x = 8,638,915,895.53
  5. Step 5: Solve for x
    x = 8,638,915,895.53/140,763.41
  6. Step 6: Final answer
    x = 61,371.89

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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.