Home / 147,765.33-203,904.63-87,324.48

Finding the Fourth Proportional to 147,765.33, 203,904.63 and 87,324.48

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Solution

The fourth proportional to 147,765.33, 203,904.63 and 87,324.48 is: 120,500.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,765.33 : 203,904.63 = 87,324.48 : x
  2. Step 2: Convert to fraction form
    147,765.33/203,904.63 = 87,324.48/x
  3. Step 3: Cross multiply
    147,765.33x = 203,904.63 × 87,324.48
  4. Step 4: Simplify right side
    147,765.33x = 17,805,865,784.34
  5. Step 5: Solve for x
    x = 17,805,865,784.34/147,765.33
  6. Step 6: Final answer
    x = 120,500.97

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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.