Home / 181,287.63-271,890.32-68,927.90

Finding the Fourth Proportional to 181,287.63, 271,890.32 and 68,927.90

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Solution

The fourth proportional to 181,287.63, 271,890.32 and 68,927.90 is: 103,376.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,287.63 : 271,890.32 = 68,927.90 : x
  2. Step 2: Convert to fraction form
    181,287.63/271,890.32 = 68,927.90/x
  3. Step 3: Cross multiply
    181,287.63x = 271,890.32 × 68,927.90
  4. Step 4: Simplify right side
    181,287.63x = 18,740,827,083.84
  5. Step 5: Solve for x
    x = 18,740,827,083.84/181,287.63
  6. Step 6: Final answer
    x = 103,376.20

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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.