Home / 156,165.39-215,509.41-84,546.62

Finding the Fourth Proportional to 156,165.39, 215,509.41 and 84,546.62

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Solution

The fourth proportional to 156,165.39, 215,509.41 and 84,546.62 is: 116,674.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,165.39 : 215,509.41 = 84,546.62 : x
  2. Step 2: Convert to fraction form
    156,165.39/215,509.41 = 84,546.62/x
  3. Step 3: Cross multiply
    156,165.39x = 215,509.41 × 84,546.62
  4. Step 4: Simplify right side
    156,165.39x = 18,220,591,116.15
  5. Step 5: Solve for x
    x = 18,220,591,116.15/156,165.39
  6. Step 6: Final answer
    x = 116,674.96

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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.