Home / 115,910.90-173,823.15-80,746.10

Finding the Fourth Proportional to 115,910.90, 173,823.15 and 80,746.10

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Solution

The fourth proportional to 115,910.90, 173,823.15 and 80,746.10 is: 121,089.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,910.90 : 173,823.15 = 80,746.10 : x
  2. Step 2: Convert to fraction form
    115,910.90/173,823.15 = 80,746.10/x
  3. Step 3: Cross multiply
    115,910.90x = 173,823.15 × 80,746.10
  4. Step 4: Simplify right side
    115,910.90x = 14,035,541,452.22
  5. Step 5: Solve for x
    x = 14,035,541,452.22/115,910.90
  6. Step 6: Final answer
    x = 121,089.06

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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.