Home / 209,535.32-289,158.75-114,042.71

Finding the Fourth Proportional to 209,535.32, 289,158.75 and 114,042.71

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Solution

The fourth proportional to 209,535.32, 289,158.75 and 114,042.71 is: 157,378.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,535.32 : 289,158.75 = 114,042.71 : x
  2. Step 2: Convert to fraction form
    209,535.32/289,158.75 = 114,042.71/x
  3. Step 3: Cross multiply
    209,535.32x = 289,158.75 × 114,042.71
  4. Step 4: Simplify right side
    209,535.32x = 32,976,448,193.11
  5. Step 5: Solve for x
    x = 32,976,448,193.11/209,535.32
  6. Step 6: Final answer
    x = 157,378.95

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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.