Home / 205,200.14-307,847.59-64,958.76

Finding the Fourth Proportional to 205,200.14, 307,847.59 and 64,958.76

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Solution

The fourth proportional to 205,200.14, 307,847.59 and 64,958.76 is: 97,453.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,200.14 : 307,847.59 = 64,958.76 : x
  2. Step 2: Convert to fraction form
    205,200.14/307,847.59 = 64,958.76/x
  3. Step 3: Cross multiply
    205,200.14x = 307,847.59 × 64,958.76
  4. Step 4: Simplify right side
    205,200.14x = 19,997,397,552.99
  5. Step 5: Solve for x
    x = 19,997,397,552.99/205,200.14
  6. Step 6: Final answer
    x = 97,453.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.