Home / 198,945.31-298,426.20-58,703.94

Finding the Fourth Proportional to 198,945.31, 298,426.20 and 58,703.94

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Solution

The fourth proportional to 198,945.31, 298,426.20 and 58,703.94 is: 88,058.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,945.31 : 298,426.20 = 58,703.94 : x
  2. Step 2: Convert to fraction form
    198,945.31/298,426.20 = 58,703.94/x
  3. Step 3: Cross multiply
    198,945.31x = 298,426.20 × 58,703.94
  4. Step 4: Simplify right side
    198,945.31x = 17,518,793,739.23
  5. Step 5: Solve for x
    x = 17,518,793,739.23/198,945.31
  6. Step 6: Final answer
    x = 88,058.34

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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.