Home / 209,963.45-314,944.77-52,192.06

Finding the Fourth Proportional to 209,963.45, 314,944.77 and 52,192.06

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Solution

The fourth proportional to 209,963.45, 314,944.77 and 52,192.06 is: 78,287.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,963.45 : 314,944.77 = 52,192.06 : x
  2. Step 2: Convert to fraction form
    209,963.45/314,944.77 = 52,192.06/x
  3. Step 3: Cross multiply
    209,963.45x = 314,944.77 × 52,192.06
  4. Step 4: Simplify right side
    209,963.45x = 16,437,614,757.80
  5. Step 5: Solve for x
    x = 16,437,614,757.80/209,963.45
  6. Step 6: Final answer
    x = 78,287.98

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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.