Home / 176,788.26-243,973.29-100,310.60

Finding the Fourth Proportional to 176,788.26, 243,973.29 and 100,310.60

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Solution

The fourth proportional to 176,788.26, 243,973.29 and 100,310.60 is: 138,431.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,788.26 : 243,973.29 = 100,310.60 : x
  2. Step 2: Convert to fraction form
    176,788.26/243,973.29 = 100,310.60/x
  3. Step 3: Cross multiply
    176,788.26x = 243,973.29 × 100,310.60
  4. Step 4: Simplify right side
    176,788.26x = 24,473,107,103.87
  5. Step 5: Solve for x
    x = 24,473,107,103.87/176,788.26
  6. Step 6: Final answer
    x = 138,431.74

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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.