Home / 117,502.16-162,135.87-67,191.44

Finding the Fourth Proportional to 117,502.16, 162,135.87 and 67,191.44

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Solution

The fourth proportional to 117,502.16, 162,135.87 and 67,191.44 is: 92,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,502.16 : 162,135.87 = 67,191.44 : x
  2. Step 2: Convert to fraction form
    117,502.16/162,135.87 = 67,191.44/x
  3. Step 3: Cross multiply
    117,502.16x = 162,135.87 × 67,191.44
  4. Step 4: Simplify right side
    117,502.16x = 10,894,141,770.27
  5. Step 5: Solve for x
    x = 10,894,141,770.27/117,502.16
  6. Step 6: Final answer
    x = 92,714.40

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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.