Home / 272,583.81-376,178.01-151,732.80

Finding the Fourth Proportional to 272,583.81, 376,178.01 and 151,732.80

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Solution

The fourth proportional to 272,583.81, 376,178.01 and 151,732.80 is: 209,398.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,583.81 : 376,178.01 = 151,732.80 : x
  2. Step 2: Convert to fraction form
    272,583.81/376,178.01 = 151,732.80/x
  3. Step 3: Cross multiply
    272,583.81x = 376,178.01 × 151,732.80
  4. Step 4: Simplify right side
    272,583.81x = 57,078,542,755.73
  5. Step 5: Solve for x
    x = 57,078,542,755.73/272,583.81
  6. Step 6: Final answer
    x = 209,398.14

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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.