Home / 209,872.06-289,614.99-114,376.70

Finding the Fourth Proportional to 209,872.06, 289,614.99 and 114,376.70

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Solution

The fourth proportional to 209,872.06, 289,614.99 and 114,376.70 is: 157,835.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,872.06 : 289,614.99 = 114,376.70 : x
  2. Step 2: Convert to fraction form
    209,872.06/289,614.99 = 114,376.70/x
  3. Step 3: Cross multiply
    209,872.06x = 289,614.99 × 114,376.70
  4. Step 4: Simplify right side
    209,872.06x = 33,125,206,826.73
  5. Step 5: Solve for x
    x = 33,125,206,826.73/209,872.06
  6. Step 6: Final answer
    x = 157,835.24

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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.