Home / 356,421.40-534,594.44-187,874.17

Finding the Fourth Proportional to 356,421.40, 534,594.44 and 187,874.17

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Solution

The fourth proportional to 356,421.40, 534,594.44 and 187,874.17 is: 281,791.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,421.40 : 534,594.44 = 187,874.17 : x
  2. Step 2: Convert to fraction form
    356,421.40/534,594.44 = 187,874.17/x
  3. Step 3: Cross multiply
    356,421.40x = 534,594.44 × 187,874.17
  4. Step 4: Simplify right side
    356,421.40x = 100,436,485,762.24
  5. Step 5: Solve for x
    x = 100,436,485,762.24/356,421.40
  6. Step 6: Final answer
    x = 281,791.40

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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.