Home / 211,270.92-316,693.12-132,440.52

Finding the Fourth Proportional to 211,270.92, 316,693.12 and 132,440.52

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Solution

The fourth proportional to 211,270.92, 316,693.12 and 132,440.52 is: 198,527.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,270.92 : 316,693.12 = 132,440.52 : x
  2. Step 2: Convert to fraction form
    211,270.92/316,693.12 = 132,440.52/x
  3. Step 3: Cross multiply
    211,270.92x = 316,693.12 × 132,440.52
  4. Step 4: Simplify right side
    211,270.92x = 41,943,001,493.22
  5. Step 5: Solve for x
    x = 41,943,001,493.22/211,270.92
  6. Step 6: Final answer
    x = 198,527.09

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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.