Home / 156,244.22-215,617.32-84,624.29

Finding the Fourth Proportional to 156,244.22, 215,617.32 and 84,624.29

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Solution

The fourth proportional to 156,244.22, 215,617.32 and 84,624.29 is: 116,781.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,244.22 : 215,617.32 = 84,624.29 : x
  2. Step 2: Convert to fraction form
    156,244.22/215,617.32 = 84,624.29/x
  3. Step 3: Cross multiply
    156,244.22x = 215,617.32 × 84,624.29
  4. Step 4: Simplify right side
    156,244.22x = 18,246,463,322.02
  5. Step 5: Solve for x
    x = 18,246,463,322.02/156,244.22
  6. Step 6: Final answer
    x = 116,781.69

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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.