Home / 399,927.71-599,766.87-133,626.13

Finding the Fourth Proportional to 399,927.71, 599,766.87 and 133,626.13

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Solution

The fourth proportional to 399,927.71, 599,766.87 and 133,626.13 is: 200,397.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,927.71 : 599,766.87 = 133,626.13 : x
  2. Step 2: Convert to fraction form
    399,927.71/599,766.87 = 133,626.13/x
  3. Step 3: Cross multiply
    399,927.71x = 599,766.87 × 133,626.13
  4. Step 4: Simplify right side
    399,927.71x = 80,144,525,740.31
  5. Step 5: Solve for x
    x = 80,144,525,740.31/399,927.71
  6. Step 6: Final answer
    x = 200,397.53

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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.