Home / 199,390.14-275,150.79-109,966.14

Finding the Fourth Proportional to 199,390.14, 275,150.79 and 109,966.14

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Solution

The fourth proportional to 199,390.14, 275,150.79 and 109,966.14 is: 151,749.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,390.14 : 275,150.79 = 109,966.14 : x
  2. Step 2: Convert to fraction form
    199,390.14/275,150.79 = 109,966.14/x
  3. Step 3: Cross multiply
    199,390.14x = 275,150.79 × 109,966.14
  4. Step 4: Simplify right side
    199,390.14x = 30,257,270,294.25
  5. Step 5: Solve for x
    x = 30,257,270,294.25/199,390.14
  6. Step 6: Final answer
    x = 151,749.08

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1.5x scale

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.