Home / 106,785.12-160,178.03-40,207.37

Finding the Fourth Proportional to 106,785.12, 160,178.03 and 40,207.37

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Solution

The fourth proportional to 106,785.12, 160,178.03 and 40,207.37 is: 60,311.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,785.12 : 160,178.03 = 40,207.37 : x
  2. Step 2: Convert to fraction form
    106,785.12/160,178.03 = 40,207.37/x
  3. Step 3: Cross multiply
    106,785.12x = 160,178.03 × 40,207.37
  4. Step 4: Simplify right side
    106,785.12x = 6,440,336,316.15
  5. Step 5: Solve for x
    x = 6,440,336,316.15/106,785.12
  6. Step 6: Final answer
    x = 60,311.18

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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.