Home / 147,743.54-203,859.01-87,324.02

Finding the Fourth Proportional to 147,743.54, 203,859.01 and 87,324.02

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Solution

The fourth proportional to 147,743.54, 203,859.01 and 87,324.02 is: 120,491.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,743.54 : 203,859.01 = 87,324.02 : x
  2. Step 2: Convert to fraction form
    147,743.54/203,859.01 = 87,324.02/x
  3. Step 3: Cross multiply
    147,743.54x = 203,859.01 × 87,324.02
  4. Step 4: Simplify right side
    147,743.54x = 17,801,788,266.42
  5. Step 5: Solve for x
    x = 17,801,788,266.42/147,743.54
  6. Step 6: Final answer
    x = 120,491.14

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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.