Home / 187,157.83-280,732.48-52,218.34

Finding the Fourth Proportional to 187,157.83, 280,732.48 and 52,218.34

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Solution

The fourth proportional to 187,157.83, 280,732.48 and 52,218.34 is: 78,326.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,157.83 : 280,732.48 = 52,218.34 : x
  2. Step 2: Convert to fraction form
    187,157.83/280,732.48 = 52,218.34/x
  3. Step 3: Cross multiply
    187,157.83x = 280,732.48 × 52,218.34
  4. Step 4: Simplify right side
    187,157.83x = 14,659,384,089.68
  5. Step 5: Solve for x
    x = 14,659,384,089.68/187,157.83
  6. Step 6: Final answer
    x = 78,326.32

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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.