Home / 228,924.06-343,378.80-60,439.20

Finding the Fourth Proportional to 228,924.06, 343,378.80 and 60,439.20

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Solution

The fourth proportional to 228,924.06, 343,378.80 and 60,439.20 is: 90,656.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,924.06 : 343,378.80 = 60,439.20 : x
  2. Step 2: Convert to fraction form
    228,924.06/343,378.80 = 60,439.20/x
  3. Step 3: Cross multiply
    228,924.06x = 343,378.80 × 60,439.20
  4. Step 4: Simplify right side
    228,924.06x = 20,753,539,968.96
  5. Step 5: Solve for x
    x = 20,753,539,968.96/228,924.06
  6. Step 6: Final answer
    x = 90,656.88

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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.