Home / 199,417.21-275,196.62-108,775.12

Finding the Fourth Proportional to 199,417.21, 275,196.62 and 108,775.12

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Solution

The fourth proportional to 199,417.21, 275,196.62 and 108,775.12 is: 150,110.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,417.21 : 275,196.62 = 108,775.12 : x
  2. Step 2: Convert to fraction form
    199,417.21/275,196.62 = 108,775.12/x
  3. Step 3: Cross multiply
    199,417.21x = 275,196.62 × 108,775.12
  4. Step 4: Simplify right side
    199,417.21x = 29,934,545,364.09
  5. Step 5: Solve for x
    x = 29,934,545,364.09/199,417.21
  6. Step 6: Final answer
    x = 150,110.14

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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.