Home / 110,778.38-166,170.99-43,307.72

Finding the Fourth Proportional to 110,778.38, 166,170.99 and 43,307.72

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Solution

The fourth proportional to 110,778.38, 166,170.99 and 43,307.72 is: 64,962.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,778.38 : 166,170.99 = 43,307.72 : x
  2. Step 2: Convert to fraction form
    110,778.38/166,170.99 = 43,307.72/x
  3. Step 3: Cross multiply
    110,778.38x = 166,170.99 × 43,307.72
  4. Step 4: Simplify right side
    110,778.38x = 7,196,486,960.07
  5. Step 5: Solve for x
    x = 7,196,486,960.07/110,778.38
  6. Step 6: Final answer
    x = 64,962.92

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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.