Home / 117,591.52-162,186.86-81,353.26

Finding the Fourth Proportional to 117,591.52, 162,186.86 and 81,353.26

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Solution

The fourth proportional to 117,591.52, 162,186.86 and 81,353.26 is: 112,205.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,591.52 : 162,186.86 = 81,353.26 : x
  2. Step 2: Convert to fraction form
    117,591.52/162,186.86 = 81,353.26/x
  3. Step 3: Cross multiply
    117,591.52x = 162,186.86 × 81,353.26
  4. Step 4: Simplify right side
    117,591.52x = 13,194,429,790.16
  5. Step 5: Solve for x
    x = 13,194,429,790.16/117,591.52
  6. Step 6: Final answer
    x = 112,205.62

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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.