Home / 209,770.32-289,383.78-141,811.08

Finding the Fourth Proportional to 209,770.32, 289,383.78 and 141,811.08

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Solution

The fourth proportional to 209,770.32, 289,383.78 and 141,811.08 is: 195,632.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,770.32 : 289,383.78 = 141,811.08 : x
  2. Step 2: Convert to fraction form
    209,770.32/289,383.78 = 141,811.08/x
  3. Step 3: Cross multiply
    209,770.32x = 289,383.78 × 141,811.08
  4. Step 4: Simplify right side
    209,770.32x = 41,037,826,376.28
  5. Step 5: Solve for x
    x = 41,037,826,376.28/209,770.32
  6. Step 6: Final answer
    x = 195,632.19

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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.