Home / 117,934.25-162,723.87-70,178.27

Finding the Fourth Proportional to 117,934.25, 162,723.87 and 70,178.27

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Solution

The fourth proportional to 117,934.25, 162,723.87 and 70,178.27 is: 96,830.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,934.25 : 162,723.87 = 70,178.27 : x
  2. Step 2: Convert to fraction form
    117,934.25/162,723.87 = 70,178.27/x
  3. Step 3: Cross multiply
    117,934.25x = 162,723.87 × 70,178.27
  4. Step 4: Simplify right side
    117,934.25x = 11,419,678,870.69
  5. Step 5: Solve for x
    x = 11,419,678,870.69/117,934.25
  6. Step 6: Final answer
    x = 96,830.90

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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.