Home / 195,707.54-293,618.22-81,909.05

Finding the Fourth Proportional to 195,707.54, 293,618.22 and 81,909.05

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Solution

The fourth proportional to 195,707.54, 293,618.22 and 81,909.05 is: 122,887.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,707.54 : 293,618.22 = 81,909.05 : x
  2. Step 2: Convert to fraction form
    195,707.54/293,618.22 = 81,909.05/x
  3. Step 3: Cross multiply
    195,707.54x = 293,618.22 × 81,909.05
  4. Step 4: Simplify right side
    195,707.54x = 24,049,988,513.44
  5. Step 5: Solve for x
    x = 24,049,988,513.44/195,707.54
  6. Step 6: Final answer
    x = 122,887.39

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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.