Home / 209,873.06-289,616.37-114,377.70

Finding the Fourth Proportional to 209,873.06, 289,616.37 and 114,377.70

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Solution

The fourth proportional to 209,873.06, 289,616.37 and 114,377.70 is: 157,836.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,873.06 : 289,616.37 = 114,377.70 : x
  2. Step 2: Convert to fraction form
    209,873.06/289,616.37 = 114,377.70/x
  3. Step 3: Cross multiply
    209,873.06x = 289,616.37 × 114,377.70
  4. Step 4: Simplify right side
    209,873.06x = 33,125,654,282.95
  5. Step 5: Solve for x
    x = 33,125,654,282.95/209,873.06
  6. Step 6: Final answer
    x = 157,836.62

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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.