Home / 198,738.90-298,045.17-65,594.34

Finding the Fourth Proportional to 198,738.90, 298,045.17 and 65,594.34

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Solution

The fourth proportional to 198,738.90, 298,045.17 and 65,594.34 is: 98,370.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,738.90 : 298,045.17 = 65,594.34 : x
  2. Step 2: Convert to fraction form
    198,738.90/298,045.17 = 65,594.34/x
  3. Step 3: Cross multiply
    198,738.90x = 298,045.17 × 65,594.34
  4. Step 4: Simplify right side
    198,738.90x = 19,550,076,216.34
  5. Step 5: Solve for x
    x = 19,550,076,216.34/198,738.90
  6. Step 6: Final answer
    x = 98,370.66

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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.