Home / 134,811.10-202,216.65-113,815.90

Finding the Fourth Proportional to 134,811.10, 202,216.65 and 113,815.90

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Solution

The fourth proportional to 134,811.10, 202,216.65 and 113,815.90 is: 170,723.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,811.10 : 202,216.65 = 113,815.90 : x
  2. Step 2: Convert to fraction form
    134,811.10/202,216.65 = 113,815.90/x
  3. Step 3: Cross multiply
    134,811.10x = 202,216.65 × 113,815.90
  4. Step 4: Simplify right side
    134,811.10x = 23,015,470,014.74
  5. Step 5: Solve for x
    x = 23,015,470,014.74/134,811.10
  6. Step 6: Final answer
    x = 170,723.85

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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.