Home / 199,947.84-275,927.34-109,303.80

Finding the Fourth Proportional to 199,947.84, 275,927.34 and 109,303.80

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Solution

The fourth proportional to 199,947.84, 275,927.34 and 109,303.80 is: 150,838.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,947.84 : 275,927.34 = 109,303.80 : x
  2. Step 2: Convert to fraction form
    199,947.84/275,927.34 = 109,303.80/x
  3. Step 3: Cross multiply
    199,947.84x = 275,927.34 × 109,303.80
  4. Step 4: Simplify right side
    199,947.84x = 30,159,906,785.89
  5. Step 5: Solve for x
    x = 30,159,906,785.89/199,947.84
  6. Step 6: Final answer
    x = 150,838.87

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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.