Home / 141,590.44-212,516.88-71,518.96

Finding the Fourth Proportional to 141,590.44, 212,516.88 and 71,518.96

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Solution

The fourth proportional to 141,590.44, 212,516.88 and 71,518.96 is: 107,344.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,590.44 : 212,516.88 = 71,518.96 : x
  2. Step 2: Convert to fraction form
    141,590.44/212,516.88 = 71,518.96/x
  3. Step 3: Cross multiply
    141,590.44x = 212,516.88 × 71,518.96
  4. Step 4: Simplify right side
    141,590.44x = 15,198,986,240.04
  5. Step 5: Solve for x
    x = 15,198,986,240.04/141,590.44
  6. Step 6: Final answer
    x = 107,344.72

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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.