Home / 187,063.90-280,637.31-53,933.77

Finding the Fourth Proportional to 187,063.90, 280,637.31 and 53,933.77

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Solution

The fourth proportional to 187,063.90, 280,637.31 and 53,933.77 is: 80,912.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,063.90 : 280,637.31 = 53,933.77 : x
  2. Step 2: Convert to fraction form
    187,063.90/280,637.31 = 53,933.77/x
  3. Step 3: Cross multiply
    187,063.90x = 280,637.31 × 53,933.77
  4. Step 4: Simplify right side
    187,063.90x = 15,135,828,130.96
  5. Step 5: Solve for x
    x = 15,135,828,130.96/187,063.90
  6. Step 6: Final answer
    x = 80,912.61

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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.