Home / 272,022.90-408,034.35-231,782.10

Finding the Fourth Proportional to 272,022.90, 408,034.35 and 231,782.10

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Solution

The fourth proportional to 272,022.90, 408,034.35 and 231,782.10 is: 347,673.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,022.90 : 408,034.35 = 231,782.10 : x
  2. Step 2: Convert to fraction form
    272,022.90/408,034.35 = 231,782.10/x
  3. Step 3: Cross multiply
    272,022.90x = 408,034.35 × 231,782.10
  4. Step 4: Simplify right side
    272,022.90x = 94,575,058,515.14
  5. Step 5: Solve for x
    x = 94,575,058,515.14/272,022.90
  6. Step 6: Final answer
    x = 347,673.15

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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.