Home / 152,929.26-211,042.38-85,861.26

Finding the Fourth Proportional to 152,929.26, 211,042.38 and 85,861.26

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Solution

The fourth proportional to 152,929.26, 211,042.38 and 85,861.26 is: 118,488.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,929.26 : 211,042.38 = 85,861.26 : x
  2. Step 2: Convert to fraction form
    152,929.26/211,042.38 = 85,861.26/x
  3. Step 3: Cross multiply
    152,929.26x = 211,042.38 × 85,861.26
  4. Step 4: Simplify right side
    152,929.26x = 18,120,364,660.20
  5. Step 5: Solve for x
    x = 18,120,364,660.20/152,929.26
  6. Step 6: Final answer
    x = 118,488.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.