Home / 147,687.14-203,805.64-84,023.58

Finding the Fourth Proportional to 147,687.14, 203,805.64 and 84,023.58

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Solution

The fourth proportional to 147,687.14, 203,805.64 and 84,023.58 is: 115,951.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,687.14 : 203,805.64 = 84,023.58 : x
  2. Step 2: Convert to fraction form
    147,687.14/203,805.64 = 84,023.58/x
  3. Step 3: Cross multiply
    147,687.14x = 203,805.64 × 84,023.58
  4. Step 4: Simplify right side
    147,687.14x = 17,124,479,496.99
  5. Step 5: Solve for x
    x = 17,124,479,496.99/147,687.14
  6. Step 6: Final answer
    x = 115,951.05

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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.