Home / 222,147.02-306,243.99-158,374.10

Finding the Fourth Proportional to 222,147.02, 306,243.99 and 158,374.10

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Solution

The fourth proportional to 222,147.02, 306,243.99 and 158,374.10 is: 218,328.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,147.02 : 306,243.99 = 158,374.10 : x
  2. Step 2: Convert to fraction form
    222,147.02/306,243.99 = 158,374.10/x
  3. Step 3: Cross multiply
    222,147.02x = 306,243.99 × 158,374.10
  4. Step 4: Simplify right side
    222,147.02x = 48,501,116,296.66
  5. Step 5: Solve for x
    x = 48,501,116,296.66/222,147.02
  6. Step 6: Final answer
    x = 218,328.91

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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.