Home / 209,591.06-289,235.70-114,097.72

Finding the Fourth Proportional to 209,591.06, 289,235.70 and 114,097.72

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Solution

The fourth proportional to 209,591.06, 289,235.70 and 114,097.72 is: 157,454.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,591.06 : 289,235.70 = 114,097.72 : x
  2. Step 2: Convert to fraction form
    209,591.06/289,235.70 = 114,097.72/x
  3. Step 3: Cross multiply
    209,591.06x = 289,235.70 × 114,097.72
  4. Step 4: Simplify right side
    209,591.06x = 33,001,133,912.60
  5. Step 5: Solve for x
    x = 33,001,133,912.60/209,591.06
  6. Step 6: Final answer
    x = 157,454.87

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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.