Home / 109,119.87-163,686.73-34,242.98

Finding the Fourth Proportional to 109,119.87, 163,686.73 and 34,242.98

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Solution

The fourth proportional to 109,119.87, 163,686.73 and 34,242.98 is: 51,366.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,119.87 : 163,686.73 = 34,242.98 : x
  2. Step 2: Convert to fraction form
    109,119.87/163,686.73 = 34,242.98/x
  3. Step 3: Cross multiply
    109,119.87x = 163,686.73 × 34,242.98
  4. Step 4: Simplify right side
    109,119.87x = 5,605,120,517.61
  5. Step 5: Solve for x
    x = 5,605,120,517.61/109,119.87
  6. Step 6: Final answer
    x = 51,366.63

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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.