Home / 192,631.73-288,875.75-66,236.22

Finding the Fourth Proportional to 192,631.73, 288,875.75 and 66,236.22

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Solution

The fourth proportional to 192,631.73, 288,875.75 and 66,236.22 is: 99,329.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,631.73 : 288,875.75 = 66,236.22 : x
  2. Step 2: Convert to fraction form
    192,631.73/288,875.75 = 66,236.22/x
  3. Step 3: Cross multiply
    192,631.73x = 288,875.75 × 66,236.22
  4. Step 4: Simplify right side
    192,631.73x = 19,134,037,398.48
  5. Step 5: Solve for x
    x = 19,134,037,398.48/192,631.73
  6. Step 6: Final answer
    x = 99,329.63

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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.