Home / 156,210.96-215,571.24-84,591.06

Finding the Fourth Proportional to 156,210.96, 215,571.24 and 84,591.06

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Solution

The fourth proportional to 156,210.96, 215,571.24 and 84,591.06 is: 116,735.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,210.96 : 215,571.24 = 84,591.06 : x
  2. Step 2: Convert to fraction form
    156,210.96/215,571.24 = 84,591.06/x
  3. Step 3: Cross multiply
    156,210.96x = 215,571.24 × 84,591.06
  4. Step 4: Simplify right side
    156,210.96x = 18,235,399,697.11
  5. Step 5: Solve for x
    x = 18,235,399,697.11/156,210.96
  6. Step 6: Final answer
    x = 116,735.73

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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.