Home / 211,927.20-317,631.60-93,472.80

Finding the Fourth Proportional to 211,927.20, 317,631.60 and 93,472.80

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Solution

The fourth proportional to 211,927.20, 317,631.60 and 93,472.80 is: 140,094.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,927.20 : 317,631.60 = 93,472.80 : x
  2. Step 2: Convert to fraction form
    211,927.20/317,631.60 = 93,472.80/x
  3. Step 3: Cross multiply
    211,927.20x = 317,631.60 × 93,472.80
  4. Step 4: Simplify right side
    211,927.20x = 29,689,915,020.48
  5. Step 5: Solve for x
    x = 29,689,915,020.48/211,927.20
  6. Step 6: Final answer
    x = 140,094.88

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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.