Home / 117,666.70-162,380.07-63,951.73

Finding the Fourth Proportional to 117,666.70, 162,380.07 and 63,951.73

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Solution

The fourth proportional to 117,666.70, 162,380.07 and 63,951.73 is: 88,253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,666.70 : 162,380.07 = 63,951.73 : x
  2. Step 2: Convert to fraction form
    117,666.70/162,380.07 = 63,951.73/x
  3. Step 3: Cross multiply
    117,666.70x = 162,380.07 × 63,951.73
  4. Step 4: Simplify right side
    117,666.70x = 10,384,485,988.07
  5. Step 5: Solve for x
    x = 10,384,485,988.07/117,666.70
  6. Step 6: Final answer
    x = 88,253.40

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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.