Home / 198,750.72-298,131.12-58,514.16

Finding the Fourth Proportional to 198,750.72, 298,131.12 and 58,514.16

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Solution

The fourth proportional to 198,750.72, 298,131.12 and 58,514.16 is: 87,772.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,750.72 : 298,131.12 = 58,514.16 : x
  2. Step 2: Convert to fraction form
    198,750.72/298,131.12 = 58,514.16/x
  3. Step 3: Cross multiply
    198,750.72x = 298,131.12 × 58,514.16
  4. Step 4: Simplify right side
    198,750.72x = 17,444,892,056.66
  5. Step 5: Solve for x
    x = 17,444,892,056.66/198,750.72
  6. Step 6: Final answer
    x = 87,772.72

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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.