Home / 222,721.20-334,081.80-64,965.60

Finding the Fourth Proportional to 222,721.20, 334,081.80 and 64,965.60

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Solution

The fourth proportional to 222,721.20, 334,081.80 and 64,965.60 is: 97,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,721.20 : 334,081.80 = 64,965.60 : x
  2. Step 2: Convert to fraction form
    222,721.20/334,081.80 = 64,965.60/x
  3. Step 3: Cross multiply
    222,721.20x = 334,081.80 × 64,965.60
  4. Step 4: Simplify right side
    222,721.20x = 21,703,824,586.08
  5. Step 5: Solve for x
    x = 21,703,824,586.08/222,721.20
  6. Step 6: Final answer
    x = 97,448.40

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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.