Home / 205,040.30-307,560.45-116,466.80

Finding the Fourth Proportional to 205,040.30, 307,560.45 and 116,466.80

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Solution

The fourth proportional to 205,040.30, 307,560.45 and 116,466.80 is: 174,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,040.30 : 307,560.45 = 116,466.80 : x
  2. Step 2: Convert to fraction form
    205,040.30/307,560.45 = 116,466.80/x
  3. Step 3: Cross multiply
    205,040.30x = 307,560.45 × 116,466.80
  4. Step 4: Simplify right side
    205,040.30x = 35,820,581,418.06
  5. Step 5: Solve for x
    x = 35,820,581,418.06/205,040.30
  6. Step 6: Final answer
    x = 174,700.20

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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.