Home / 127,868.40-191,572.20-104,367.60

Finding the Fourth Proportional to 127,868.40, 191,572.20 and 104,367.60

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Solution

The fourth proportional to 127,868.40, 191,572.20 and 104,367.60 is: 156,363.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,868.40 : 191,572.20 = 104,367.60 : x
  2. Step 2: Convert to fraction form
    127,868.40/191,572.20 = 104,367.60/x
  3. Step 3: Cross multiply
    127,868.40x = 191,572.20 × 104,367.60
  4. Step 4: Simplify right side
    127,868.40x = 19,993,930,740.72
  5. Step 5: Solve for x
    x = 19,993,930,740.72/127,868.40
  6. Step 6: Final answer
    x = 156,363.34

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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.