Home / 117,553.17-162,214.38-69,157.02

Finding the Fourth Proportional to 117,553.17, 162,214.38 and 69,157.02

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Solution

The fourth proportional to 117,553.17, 162,214.38 and 69,157.02 is: 95,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,553.17 : 162,214.38 = 69,157.02 : x
  2. Step 2: Convert to fraction form
    117,553.17/162,214.38 = 69,157.02/x
  3. Step 3: Cross multiply
    117,553.17x = 162,214.38 × 69,157.02
  4. Step 4: Simplify right side
    117,553.17x = 11,218,263,121.95
  5. Step 5: Solve for x
    x = 11,218,263,121.95/117,553.17
  6. Step 6: Final answer
    x = 95,431.40

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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.