Home / 286,749.06-395,715.78-179,380.14

Finding the Fourth Proportional to 286,749.06, 395,715.78 and 179,380.14

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Solution

The fourth proportional to 286,749.06, 395,715.78 and 179,380.14 is: 247,545.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,749.06 : 395,715.78 = 179,380.14 : x
  2. Step 2: Convert to fraction form
    286,749.06/395,715.78 = 179,380.14/x
  3. Step 3: Cross multiply
    286,749.06x = 395,715.78 × 179,380.14
  4. Step 4: Simplify right side
    286,749.06x = 70,983,552,016.61
  5. Step 5: Solve for x
    x = 70,983,552,016.61/286,749.06
  6. Step 6: Final answer
    x = 247,545.89

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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.