Home / 140,769.60-211,006.77-65,826.57

Finding the Fourth Proportional to 140,769.60, 211,006.77 and 65,826.57

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Solution

The fourth proportional to 140,769.60, 211,006.77 and 65,826.57 is: 98,670.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,769.60 : 211,006.77 = 65,826.57 : x
  2. Step 2: Convert to fraction form
    140,769.60/211,006.77 = 65,826.57/x
  3. Step 3: Cross multiply
    140,769.60x = 211,006.77 × 65,826.57
  4. Step 4: Simplify right side
    140,769.60x = 13,889,851,915.88
  5. Step 5: Solve for x
    x = 13,889,851,915.88/140,769.60
  6. Step 6: Final answer
    x = 98,670.82

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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.