Home / 116,560.78-174,588.45-72,198.70

Finding the Fourth Proportional to 116,560.78, 174,588.45 and 72,198.70

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Solution

The fourth proportional to 116,560.78, 174,588.45 and 72,198.70 is: 108,141.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,560.78 : 174,588.45 = 72,198.70 : x
  2. Step 2: Convert to fraction form
    116,560.78/174,588.45 = 72,198.70/x
  3. Step 3: Cross multiply
    116,560.78x = 174,588.45 × 72,198.70
  4. Step 4: Simplify right side
    116,560.78x = 12,605,059,125.02
  5. Step 5: Solve for x
    x = 12,605,059,125.02/116,560.78
  6. Step 6: Final answer
    x = 108,141.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.