Home / 190,862.57-263,244.37-129,655.95

Finding the Fourth Proportional to 190,862.57, 263,244.37 and 129,655.95

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Solution

The fourth proportional to 190,862.57, 263,244.37 and 129,655.95 is: 178,826.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,862.57 : 263,244.37 = 129,655.95 : x
  2. Step 2: Convert to fraction form
    190,862.57/263,244.37 = 129,655.95/x
  3. Step 3: Cross multiply
    190,862.57x = 263,244.37 × 129,655.95
  4. Step 4: Simplify right side
    190,862.57x = 34,131,198,874.50
  5. Step 5: Solve for x
    x = 34,131,198,874.50/190,862.57
  6. Step 6: Final answer
    x = 178,826.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.