Home / 156,950.73-216,589.60-85,330.12

Finding the Fourth Proportional to 156,950.73, 216,589.60 and 85,330.12

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Solution

The fourth proportional to 156,950.73, 216,589.60 and 85,330.12 is: 117,754.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,950.73 : 216,589.60 = 85,330.12 : x
  2. Step 2: Convert to fraction form
    156,950.73/216,589.60 = 85,330.12/x
  3. Step 3: Cross multiply
    156,950.73x = 216,589.60 × 85,330.12
  4. Step 4: Simplify right side
    156,950.73x = 18,481,616,558.75
  5. Step 5: Solve for x
    x = 18,481,616,558.75/156,950.73
  6. Step 6: Final answer
    x = 117,754.26

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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.