Home / 117,920.44-162,733.68-66,932.16

Finding the Fourth Proportional to 117,920.44, 162,733.68 and 66,932.16

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Solution

The fourth proportional to 117,920.44, 162,733.68 and 66,932.16 is: 92,368.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,920.44 : 162,733.68 = 66,932.16 : x
  2. Step 2: Convert to fraction form
    117,920.44/162,733.68 = 66,932.16/x
  3. Step 3: Cross multiply
    117,920.44x = 162,733.68 × 66,932.16
  4. Step 4: Simplify right side
    117,920.44x = 10,892,116,707.15
  5. Step 5: Solve for x
    x = 10,892,116,707.15/117,920.44
  6. Step 6: Final answer
    x = 92,368.35

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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.