Home / 165,193.02-247,649.13-65,423.43

Finding the Fourth Proportional to 165,193.02, 247,649.13 and 65,423.43

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Solution

The fourth proportional to 165,193.02, 247,649.13 and 65,423.43 is: 98,079.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,193.02 : 247,649.13 = 65,423.43 : x
  2. Step 2: Convert to fraction form
    165,193.02/247,649.13 = 65,423.43/x
  3. Step 3: Cross multiply
    165,193.02x = 247,649.13 × 65,423.43
  4. Step 4: Simplify right side
    165,193.02x = 16,202,055,521.12
  5. Step 5: Solve for x
    x = 16,202,055,521.12/165,193.02
  6. Step 6: Final answer
    x = 98,079.54

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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.