Home / 117,520.94-162,178.26-63,805.52

Finding the Fourth Proportional to 117,520.94, 162,178.26 and 63,805.52

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Solution

The fourth proportional to 117,520.94, 162,178.26 and 63,805.52 is: 88,051.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,520.94 : 162,178.26 = 63,805.52 : x
  2. Step 2: Convert to fraction form
    117,520.94/162,178.26 = 63,805.52/x
  3. Step 3: Cross multiply
    117,520.94x = 162,178.26 × 63,805.52
  4. Step 4: Simplify right side
    117,520.94x = 10,347,868,212.00
  5. Step 5: Solve for x
    x = 10,347,868,212.00/117,520.94
  6. Step 6: Final answer
    x = 88,051.27

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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.