Home / 117,521.23-162,181.20-66,532.63

Finding the Fourth Proportional to 117,521.23, 162,181.20 and 66,532.63

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Solution

The fourth proportional to 117,521.23, 162,181.20 and 66,532.63 is: 91,816.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,521.23 : 162,181.20 = 66,532.63 : x
  2. Step 2: Convert to fraction form
    117,521.23/162,181.20 = 66,532.63/x
  3. Step 3: Cross multiply
    117,521.23x = 162,181.20 × 66,532.63
  4. Step 4: Simplify right side
    117,521.23x = 10,790,341,772.56
  5. Step 5: Solve for x
    x = 10,790,341,772.56/117,521.23
  6. Step 6: Final answer
    x = 91,816.11

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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.