Home / 199,920.84-275,885.64-109,277.04

Finding the Fourth Proportional to 199,920.84, 275,885.64 and 109,277.04

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Solution

The fourth proportional to 199,920.84, 275,885.64 and 109,277.04 is: 150,799.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,920.84 : 275,885.64 = 109,277.04 : x
  2. Step 2: Convert to fraction form
    199,920.84/275,885.64 = 109,277.04/x
  3. Step 3: Cross multiply
    199,920.84x = 275,885.64 × 109,277.04
  4. Step 4: Simplify right side
    199,920.84x = 30,147,966,117.71
  5. Step 5: Solve for x
    x = 30,147,966,117.71/199,920.84
  6. Step 6: Final answer
    x = 150,799.52

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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.