Home / 208,320.06-312,593.84-88,358.34

Finding the Fourth Proportional to 208,320.06, 312,593.84 and 88,358.34

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Solution

The fourth proportional to 208,320.06, 312,593.84 and 88,358.34 is: 132,585.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,320.06 : 312,593.84 = 88,358.34 : x
  2. Step 2: Convert to fraction form
    208,320.06/312,593.84 = 88,358.34/x
  3. Step 3: Cross multiply
    208,320.06x = 312,593.84 × 88,358.34
  4. Step 4: Simplify right side
    208,320.06x = 27,620,272,796.63
  5. Step 5: Solve for x
    x = 27,620,272,796.63/208,320.06
  6. Step 6: Final answer
    x = 132,585.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.