Home / 107,144.05-160,742.85-75,615.65

Finding the Fourth Proportional to 107,144.05, 160,742.85 and 75,615.65

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Solution

The fourth proportional to 107,144.05, 160,742.85 and 75,615.65 is: 113,442.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,144.05 : 160,742.85 = 75,615.65 : x
  2. Step 2: Convert to fraction form
    107,144.05/160,742.85 = 75,615.65/x
  3. Step 3: Cross multiply
    107,144.05x = 160,742.85 × 75,615.65
  4. Step 4: Simplify right side
    107,144.05x = 12,154,675,085.60
  5. Step 5: Solve for x
    x = 12,154,675,085.60/107,144.05
  6. Step 6: Final answer
    x = 113,442.37

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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.