Home / 156,164.20-215,506.62-84,544.81

Finding the Fourth Proportional to 156,164.20, 215,506.62 and 84,544.81

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Solution

The fourth proportional to 156,164.20, 215,506.62 and 84,544.81 is: 116,671.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,164.20 : 215,506.62 = 84,544.81 : x
  2. Step 2: Convert to fraction form
    156,164.20/215,506.62 = 84,544.81/x
  3. Step 3: Cross multiply
    156,164.20x = 215,506.62 × 84,544.81
  4. Step 4: Simplify right side
    156,164.20x = 18,219,966,241.64
  5. Step 5: Solve for x
    x = 18,219,966,241.64/156,164.20
  6. Step 6: Final answer
    x = 116,671.85

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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.