Home / 117,516.58-162,182.92-66,538.29

Finding the Fourth Proportional to 117,516.58, 162,182.92 and 66,538.29

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Solution

The fourth proportional to 117,516.58, 162,182.92 and 66,538.29 is: 91,828.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,516.58 : 162,182.92 = 66,538.29 : x
  2. Step 2: Convert to fraction form
    117,516.58/162,182.92 = 66,538.29/x
  3. Step 3: Cross multiply
    117,516.58x = 162,182.92 × 66,538.29
  4. Step 4: Simplify right side
    117,516.58x = 10,791,373,997.66
  5. Step 5: Solve for x
    x = 10,791,373,997.66/117,516.58
  6. Step 6: Final answer
    x = 91,828.53

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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.