Home / 156,550.11-216,039.22-84,930.11

Finding the Fourth Proportional to 156,550.11, 216,039.22 and 84,930.11

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Solution

The fourth proportional to 156,550.11, 216,039.22 and 84,930.11 is: 117,203.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,550.11 : 216,039.22 = 84,930.11 : x
  2. Step 2: Convert to fraction form
    156,550.11/216,039.22 = 84,930.11/x
  3. Step 3: Cross multiply
    156,550.11x = 216,039.22 × 84,930.11
  4. Step 4: Simplify right side
    156,550.11x = 18,348,234,555.03
  5. Step 5: Solve for x
    x = 18,348,234,555.03/156,550.11
  6. Step 6: Final answer
    x = 117,203.59

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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.