Home / 286,557.82-395,420.34-179,139.67

Finding the Fourth Proportional to 286,557.82, 395,420.34 and 179,139.67

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Solution

The fourth proportional to 286,557.82, 395,420.34 and 179,139.67 is: 247,194.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,557.82 : 395,420.34 = 179,139.67 : x
  2. Step 2: Convert to fraction form
    286,557.82/395,420.34 = 179,139.67/x
  3. Step 3: Cross multiply
    286,557.82x = 395,420.34 × 179,139.67
  4. Step 4: Simplify right side
    286,557.82x = 70,835,469,218.89
  5. Step 5: Solve for x
    x = 70,835,469,218.89/286,557.82
  6. Step 6: Final answer
    x = 247,194.33

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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.