Home / 117,521.38-162,178.58-63,805.32

Finding the Fourth Proportional to 117,521.38, 162,178.58 and 63,805.32

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Solution

The fourth proportional to 117,521.38, 162,178.58 and 63,805.32 is: 88,050.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,521.38 : 162,178.58 = 63,805.32 : x
  2. Step 2: Convert to fraction form
    117,521.38/162,178.58 = 63,805.32/x
  3. Step 3: Cross multiply
    117,521.38x = 162,178.58 × 63,805.32
  4. Step 4: Simplify right side
    117,521.38x = 10,347,856,194.05
  5. Step 5: Solve for x
    x = 10,347,856,194.05/117,521.38
  6. Step 6: Final answer
    x = 88,050.84

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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.