Home / 209,535.08-289,158.41-114,042.46

Finding the Fourth Proportional to 209,535.08, 289,158.41 and 114,042.46

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Solution

The fourth proportional to 209,535.08, 289,158.41 and 114,042.46 is: 157,378.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,535.08 : 289,158.41 = 114,042.46 : x
  2. Step 2: Convert to fraction form
    209,535.08/289,158.41 = 114,042.46/x
  3. Step 3: Cross multiply
    209,535.08x = 289,158.41 × 114,042.46
  4. Step 4: Simplify right side
    209,535.08x = 32,976,336,406.09
  5. Step 5: Solve for x
    x = 32,976,336,406.09/209,535.08
  6. Step 6: Final answer
    x = 157,378.59

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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.