Home / 262,072.42-393,106.47-75,084.10

Finding the Fourth Proportional to 262,072.42, 393,106.47 and 75,084.10

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Solution

The fourth proportional to 262,072.42, 393,106.47 and 75,084.10 is: 112,625.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,072.42 : 393,106.47 = 75,084.10 : x
  2. Step 2: Convert to fraction form
    262,072.42/393,106.47 = 75,084.10/x
  3. Step 3: Cross multiply
    262,072.42x = 393,106.47 × 75,084.10
  4. Step 4: Simplify right side
    262,072.42x = 29,516,045,504.13
  5. Step 5: Solve for x
    x = 29,516,045,504.13/262,072.42
  6. Step 6: Final answer
    x = 112,625.53

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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.