Home / 205,074.16-307,609.32-64,832.80

Finding the Fourth Proportional to 205,074.16, 307,609.32 and 64,832.80

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Solution

The fourth proportional to 205,074.16, 307,609.32 and 64,832.80 is: 97,248.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,074.16 : 307,609.32 = 64,832.80 : x
  2. Step 2: Convert to fraction form
    205,074.16/307,609.32 = 64,832.80/x
  3. Step 3: Cross multiply
    205,074.16x = 307,609.32 × 64,832.80
  4. Step 4: Simplify right side
    205,074.16x = 19,943,173,521.70
  5. Step 5: Solve for x
    x = 19,943,173,521.70/205,074.16
  6. Step 6: Final answer
    x = 97,248.59

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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.