Home / 198,959.19-298,239.20-92,417.94

Finding the Fourth Proportional to 198,959.19, 298,239.20 and 92,417.94

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Solution

The fourth proportional to 198,959.19, 298,239.20 and 92,417.94 is: 138,534.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,959.19 : 298,239.20 = 92,417.94 : x
  2. Step 2: Convert to fraction form
    198,959.19/298,239.20 = 92,417.94/x
  3. Step 3: Cross multiply
    198,959.19x = 298,239.20 × 92,417.94
  4. Step 4: Simplify right side
    198,959.19x = 27,562,652,029.16
  5. Step 5: Solve for x
    x = 27,562,652,029.16/198,959.19
  6. Step 6: Final answer
    x = 138,534.20

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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.