Home / 337,223.20-505,868.80-109,509.28

Finding the Fourth Proportional to 337,223.20, 505,868.80 and 109,509.28

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Solution

The fourth proportional to 337,223.20, 505,868.80 and 109,509.28 is: 164,274.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,223.20 : 505,868.80 = 109,509.28 : x
  2. Step 2: Convert to fraction form
    337,223.20/505,868.80 = 109,509.28/x
  3. Step 3: Cross multiply
    337,223.20x = 505,868.80 × 109,509.28
  4. Step 4: Simplify right side
    337,223.20x = 55,397,328,062.46
  5. Step 5: Solve for x
    x = 55,397,328,062.46/337,223.20
  6. Step 6: Final answer
    x = 164,274.96

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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.