Home / 199,454.42-275,246.73-108,810.39

Finding the Fourth Proportional to 199,454.42, 275,246.73 and 108,810.39

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Solution

The fourth proportional to 199,454.42, 275,246.73 and 108,810.39 is: 150,158.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,454.42 : 275,246.73 = 108,810.39 : x
  2. Step 2: Convert to fraction form
    199,454.42/275,246.73 = 108,810.39/x
  3. Step 3: Cross multiply
    199,454.42x = 275,246.73 × 108,810.39
  4. Step 4: Simplify right side
    199,454.42x = 29,949,702,933.32
  5. Step 5: Solve for x
    x = 29,949,702,933.32/199,454.42
  6. Step 6: Final answer
    x = 150,158.13

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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.