Home / 199,928.39-275,901.14-109,284.71

Finding the Fourth Proportional to 199,928.39, 275,901.14 and 109,284.71

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Solution

The fourth proportional to 199,928.39, 275,901.14 and 109,284.71 is: 150,812.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,928.39 : 275,901.14 = 109,284.71 : x
  2. Step 2: Convert to fraction form
    199,928.39/275,901.14 = 109,284.71/x
  3. Step 3: Cross multiply
    199,928.39x = 275,901.14 × 109,284.71
  4. Step 4: Simplify right side
    199,928.39x = 30,151,774,352.55
  5. Step 5: Solve for x
    x = 30,151,774,352.55/199,928.39
  6. Step 6: Final answer
    x = 150,812.87

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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.