Home / 222,621.02-307,120.47-147,274.46

Finding the Fourth Proportional to 222,621.02, 307,120.47 and 147,274.46

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Solution

The fourth proportional to 222,621.02, 307,120.47 and 147,274.46 is: 203,174.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,621.02 : 307,120.47 = 147,274.46 : x
  2. Step 2: Convert to fraction form
    222,621.02/307,120.47 = 147,274.46/x
  3. Step 3: Cross multiply
    222,621.02x = 307,120.47 × 147,274.46
  4. Step 4: Simplify right side
    222,621.02x = 45,231,001,374.20
  5. Step 5: Solve for x
    x = 45,231,001,374.20/222,621.02
  6. Step 6: Final answer
    x = 203,174.89

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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.