Home / 198,726.12-298,088.86-50,982.12

Finding the Fourth Proportional to 198,726.12, 298,088.86 and 50,982.12

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Solution

The fourth proportional to 198,726.12, 298,088.86 and 50,982.12 is: 76,473.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,726.12 : 298,088.86 = 50,982.12 : x
  2. Step 2: Convert to fraction form
    198,726.12/298,088.86 = 50,982.12/x
  3. Step 3: Cross multiply
    198,726.12x = 298,088.86 × 50,982.12
  4. Step 4: Simplify right side
    198,726.12x = 15,197,202,031.18
  5. Step 5: Solve for x
    x = 15,197,202,031.18/198,726.12
  6. Step 6: Final answer
    x = 76,473.10

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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.