Home / 199,512.32-299,110.12-115,177.14

Finding the Fourth Proportional to 199,512.32, 299,110.12 and 115,177.14

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Solution

The fourth proportional to 199,512.32, 299,110.12 and 115,177.14 is: 172,674.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,512.32 : 299,110.12 = 115,177.14 : x
  2. Step 2: Convert to fraction form
    199,512.32/299,110.12 = 115,177.14/x
  3. Step 3: Cross multiply
    199,512.32x = 299,110.12 × 115,177.14
  4. Step 4: Simplify right side
    199,512.32x = 34,450,647,878.71
  5. Step 5: Solve for x
    x = 34,450,647,878.71/199,512.32
  6. Step 6: Final answer
    x = 172,674.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.