Home / 113,937.10-170,767.14-80,666.76

Finding the Fourth Proportional to 113,937.10, 170,767.14 and 80,666.76

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Solution

The fourth proportional to 113,937.10, 170,767.14 and 80,666.76 is: 120,902.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,937.10 : 170,767.14 = 80,666.76 : x
  2. Step 2: Convert to fraction form
    113,937.10/170,767.14 = 80,666.76/x
  3. Step 3: Cross multiply
    113,937.10x = 170,767.14 × 80,666.76
  4. Step 4: Simplify right side
    113,937.10x = 13,775,231,898.27
  5. Step 5: Solve for x
    x = 13,775,231,898.27/113,937.10
  6. Step 6: Final answer
    x = 120,902.08

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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.