Home / 243,845.49-365,731.28-66,366.33

Finding the Fourth Proportional to 243,845.49, 365,731.28 and 66,366.33

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Solution

The fourth proportional to 243,845.49, 365,731.28 and 66,366.33 is: 99,539.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,845.49 : 365,731.28 = 66,366.33 : x
  2. Step 2: Convert to fraction form
    243,845.49/365,731.28 = 66,366.33/x
  3. Step 3: Cross multiply
    243,845.49x = 365,731.28 × 66,366.33
  4. Step 4: Simplify right side
    243,845.49x = 24,272,242,819.80
  5. Step 5: Solve for x
    x = 24,272,242,819.80/243,845.49
  6. Step 6: Final answer
    x = 99,539.44

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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.