Home / 337,569.40-505,965.30-137,758.60

Finding the Fourth Proportional to 337,569.40, 505,965.30 and 137,758.60

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Solution

The fourth proportional to 337,569.40, 505,965.30 and 137,758.60 is: 206,479.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,569.40 : 505,965.30 = 137,758.60 : x
  2. Step 2: Convert to fraction form
    337,569.40/505,965.30 = 137,758.60/x
  3. Step 3: Cross multiply
    337,569.40x = 505,965.30 × 137,758.60
  4. Step 4: Simplify right side
    337,569.40x = 69,701,071,376.58
  5. Step 5: Solve for x
    x = 69,701,071,376.58/337,569.40
  6. Step 6: Final answer
    x = 206,479.23

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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.