Home / 132,625.24-182,962.68-78,879.64

Finding the Fourth Proportional to 132,625.24, 182,962.68 and 78,879.64

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Solution

The fourth proportional to 132,625.24, 182,962.68 and 78,879.64 is: 108,818.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,625.24 : 182,962.68 = 78,879.64 : x
  2. Step 2: Convert to fraction form
    132,625.24/182,962.68 = 78,879.64/x
  3. Step 3: Cross multiply
    132,625.24x = 182,962.68 × 78,879.64
  4. Step 4: Simplify right side
    132,625.24x = 14,432,030,331.84
  5. Step 5: Solve for x
    x = 14,432,030,331.84/132,625.24
  6. Step 6: Final answer
    x = 108,818.13

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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.