Home / 174,138.44-261,207.94-47,780.40

Finding the Fourth Proportional to 174,138.44, 261,207.94 and 47,780.40

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Solution

The fourth proportional to 174,138.44, 261,207.94 and 47,780.40 is: 71,670.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,138.44 : 261,207.94 = 47,780.40 : x
  2. Step 2: Convert to fraction form
    174,138.44/261,207.94 = 47,780.40/x
  3. Step 3: Cross multiply
    174,138.44x = 261,207.94 × 47,780.40
  4. Step 4: Simplify right side
    174,138.44x = 12,480,619,856.38
  5. Step 5: Solve for x
    x = 12,480,619,856.38/174,138.44
  6. Step 6: Final answer
    x = 71,670.68

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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.