Home / 215,431.17-322,996.86-95,422.98

Finding the Fourth Proportional to 215,431.17, 322,996.86 and 95,422.98

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Solution

The fourth proportional to 215,431.17, 322,996.86 and 95,422.98 is: 143,068.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,431.17 : 322,996.86 = 95,422.98 : x
  2. Step 2: Convert to fraction form
    215,431.17/322,996.86 = 95,422.98/x
  3. Step 3: Cross multiply
    215,431.17x = 322,996.86 × 95,422.98
  4. Step 4: Simplify right side
    215,431.17x = 30,821,322,911.84
  5. Step 5: Solve for x
    x = 30,821,322,911.84/215,431.17
  6. Step 6: Final answer
    x = 143,068.08

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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.