Home / 148,073.96-204,342.11-83,556.87

Finding the Fourth Proportional to 148,073.96, 204,342.11 and 83,556.87

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Solution

The fourth proportional to 148,073.96, 204,342.11 and 83,556.87 is: 115,308.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,073.96 : 204,342.11 = 83,556.87 : x
  2. Step 2: Convert to fraction form
    148,073.96/204,342.11 = 83,556.87/x
  3. Step 3: Cross multiply
    148,073.96x = 204,342.11 × 83,556.87
  4. Step 4: Simplify right side
    148,073.96x = 17,074,186,703.01
  5. Step 5: Solve for x
    x = 17,074,186,703.01/148,073.96
  6. Step 6: Final answer
    x = 115,308.51

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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.