Home / 222,623.76-333,968.40-80,479.68

Finding the Fourth Proportional to 222,623.76, 333,968.40 and 80,479.68

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Solution

The fourth proportional to 222,623.76, 333,968.40 and 80,479.68 is: 120,731.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,623.76 : 333,968.40 = 80,479.68 : x
  2. Step 2: Convert to fraction form
    222,623.76/333,968.40 = 80,479.68/x
  3. Step 3: Cross multiply
    222,623.76x = 333,968.40 × 80,479.68
  4. Step 4: Simplify right side
    222,623.76x = 26,877,669,962.11
  5. Step 5: Solve for x
    x = 26,877,669,962.11/222,623.76
  6. Step 6: Final answer
    x = 120,731.36

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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.