Home / 117,520.38-162,177.20-63,804.32

Finding the Fourth Proportional to 117,520.38, 162,177.20 and 63,804.32

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Solution

The fourth proportional to 117,520.38, 162,177.20 and 63,804.32 is: 88,049.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,520.38 : 162,177.20 = 63,804.32 : x
  2. Step 2: Convert to fraction form
    117,520.38/162,177.20 = 63,804.32/x
  3. Step 3: Cross multiply
    117,520.38x = 162,177.20 × 63,804.32
  4. Step 4: Simplify right side
    117,520.38x = 10,347,605,965.50
  5. Step 5: Solve for x
    x = 10,347,605,965.50/117,520.38
  6. Step 6: Final answer
    x = 88,049.46

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1.5x scale

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.