Home / 209,162.25-289,403.89-182,360.57

Finding the Fourth Proportional to 209,162.25, 289,403.89 and 182,360.57

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Solution

The fourth proportional to 209,162.25, 289,403.89 and 182,360.57 is: 252,320.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,162.25 : 289,403.89 = 182,360.57 : x
  2. Step 2: Convert to fraction form
    209,162.25/289,403.89 = 182,360.57/x
  3. Step 3: Cross multiply
    209,162.25x = 289,403.89 × 182,360.57
  4. Step 4: Simplify right side
    209,162.25x = 52,775,856,437.70
  5. Step 5: Solve for x
    x = 52,775,856,437.70/209,162.25
  6. Step 6: Final answer
    x = 252,320.18

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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.