Home / 199,660.40-275,491.22-127,092.50

Finding the Fourth Proportional to 199,660.40, 275,491.22 and 127,092.50

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Solution

The fourth proportional to 199,660.40, 275,491.22 and 127,092.50 is: 175,362.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,660.40 : 275,491.22 = 127,092.50 : x
  2. Step 2: Convert to fraction form
    199,660.40/275,491.22 = 127,092.50/x
  3. Step 3: Cross multiply
    199,660.40x = 275,491.22 × 127,092.50
  4. Step 4: Simplify right side
    199,660.40x = 35,012,867,877.85
  5. Step 5: Solve for x
    x = 35,012,867,877.85/199,660.40
  6. Step 6: Final answer
    x = 175,362.10

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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.