Home / 113,910.12-170,699.04-80,612.10

Finding the Fourth Proportional to 113,910.12, 170,699.04 and 80,612.10

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Solution

The fourth proportional to 113,910.12, 170,699.04 and 80,612.10 is: 120,800.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,910.12 : 170,699.04 = 80,612.10 : x
  2. Step 2: Convert to fraction form
    113,910.12/170,699.04 = 80,612.10/x
  3. Step 3: Cross multiply
    113,910.12x = 170,699.04 × 80,612.10
  4. Step 4: Simplify right side
    113,910.12x = 13,760,408,082.38
  5. Step 5: Solve for x
    x = 13,760,408,082.38/113,910.12
  6. Step 6: Final answer
    x = 120,800.58

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1.5x scale

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.