Home / 156,163.64-215,505.70-84,544.28

Finding the Fourth Proportional to 156,163.64, 215,505.70 and 84,544.28

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Solution

The fourth proportional to 156,163.64, 215,505.70 and 84,544.28 is: 116,671.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,163.64 : 215,505.70 = 84,544.28 : x
  2. Step 2: Convert to fraction form
    156,163.64/215,505.70 = 84,544.28/x
  3. Step 3: Cross multiply
    156,163.64x = 215,505.70 × 84,544.28
  4. Step 4: Simplify right side
    156,163.64x = 18,219,774,242.40
  5. Step 5: Solve for x
    x = 18,219,774,242.40/156,163.64
  6. Step 6: Final answer
    x = 116,671.04

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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.