Home / 165,746.60-248,474.10-99,213.20

Finding the Fourth Proportional to 165,746.60, 248,474.10 and 99,213.20

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Solution

The fourth proportional to 165,746.60, 248,474.10 and 99,213.20 is: 148,732.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,746.60 : 248,474.10 = 99,213.20 : x
  2. Step 2: Convert to fraction form
    165,746.60/248,474.10 = 99,213.20/x
  3. Step 3: Cross multiply
    165,746.60x = 248,474.10 × 99,213.20
  4. Step 4: Simplify right side
    165,746.60x = 24,651,910,578.12
  5. Step 5: Solve for x
    x = 24,651,910,578.12/165,746.60
  6. Step 6: Final answer
    x = 148,732.53

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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.