Home / 107,142.26-160,740.14-75,613.86

Finding the Fourth Proportional to 107,142.26, 160,740.14 and 75,613.86

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Solution

The fourth proportional to 107,142.26, 160,740.14 and 75,613.86 is: 113,439.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,142.26 : 160,740.14 = 75,613.86 : x
  2. Step 2: Convert to fraction form
    107,142.26/160,740.14 = 75,613.86/x
  3. Step 3: Cross multiply
    107,142.26x = 160,740.14 × 75,613.86
  4. Step 4: Simplify right side
    107,142.26x = 12,154,182,442.34
  5. Step 5: Solve for x
    x = 12,154,182,442.34/107,142.26
  6. Step 6: Final answer
    x = 113,439.67

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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.