Home / 492,612.04-738,919.86-137,625.49

Finding the Fourth Proportional to 492,612.04, 738,919.86 and 137,625.49

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Solution

The fourth proportional to 492,612.04, 738,919.86 and 137,625.49 is: 206,438.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,612.04 : 738,919.86 = 137,625.49 : x
  2. Step 2: Convert to fraction form
    492,612.04/738,919.86 = 137,625.49/x
  3. Step 3: Cross multiply
    492,612.04x = 738,919.86 × 137,625.49
  4. Step 4: Simplify right side
    492,612.04x = 101,694,207,803.23
  5. Step 5: Solve for x
    x = 101,694,207,803.23/492,612.04
  6. Step 6: Final answer
    x = 206,438.74

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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.