Home / 220,621.58-304,767.87-196,740.62

Finding the Fourth Proportional to 220,621.58, 304,767.87 and 196,740.62

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Solution

The fourth proportional to 220,621.58, 304,767.87 and 196,740.62 is: 271,778.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,621.58 : 304,767.87 = 196,740.62 : x
  2. Step 2: Convert to fraction form
    220,621.58/304,767.87 = 196,740.62/x
  3. Step 3: Cross multiply
    220,621.58x = 304,767.87 × 196,740.62
  4. Step 4: Simplify right side
    220,621.58x = 59,960,219,699.88
  5. Step 5: Solve for x
    x = 59,960,219,699.88/220,621.58
  6. Step 6: Final answer
    x = 271,778.58

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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.