Home / 198,695.07-298,010.34-54,567.18

Finding the Fourth Proportional to 198,695.07, 298,010.34 and 54,567.18

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Solution

The fourth proportional to 198,695.07, 298,010.34 and 54,567.18 is: 81,841.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,695.07 : 298,010.34 = 54,567.18 : x
  2. Step 2: Convert to fraction form
    198,695.07/298,010.34 = 54,567.18/x
  3. Step 3: Cross multiply
    198,695.07x = 298,010.34 × 54,567.18
  4. Step 4: Simplify right side
    198,695.07x = 16,261,583,864.64
  5. Step 5: Solve for x
    x = 16,261,583,864.64/198,695.07
  6. Step 6: Final answer
    x = 81,841.91

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1.5x scale

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.