Home / 205,240.20-307,858.16-64,998.83

Finding the Fourth Proportional to 205,240.20, 307,858.16 and 64,998.83

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Solution

The fourth proportional to 205,240.20, 307,858.16 and 64,998.83 is: 97,497.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,240.20 : 307,858.16 = 64,998.83 : x
  2. Step 2: Convert to fraction form
    205,240.20/307,858.16 = 64,998.83/x
  3. Step 3: Cross multiply
    205,240.20x = 307,858.16 × 64,998.83
  4. Step 4: Simplify right side
    205,240.20x = 20,010,418,341.67
  5. Step 5: Solve for x
    x = 20,010,418,341.67/205,240.20
  6. Step 6: Final answer
    x = 97,497.56

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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.