Home / 147,402.73-203,416.44-83,744.02

Finding the Fourth Proportional to 147,402.73, 203,416.44 and 83,744.02

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Solution

The fourth proportional to 147,402.73, 203,416.44 and 83,744.02 is: 115,567.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,402.73 : 203,416.44 = 83,744.02 : x
  2. Step 2: Convert to fraction form
    147,402.73/203,416.44 = 83,744.02/x
  3. Step 3: Cross multiply
    147,402.73x = 203,416.44 × 83,744.02
  4. Step 4: Simplify right side
    147,402.73x = 17,034,910,419.69
  5. Step 5: Solve for x
    x = 17,034,910,419.69/147,402.73
  6. Step 6: Final answer
    x = 115,567.13

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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.