Home / 156,066.15-215,371.26-84,446.22

Finding the Fourth Proportional to 156,066.15, 215,371.26 and 84,446.22

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Solution

The fourth proportional to 156,066.15, 215,371.26 and 84,446.22 is: 116,535.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,066.15 : 215,371.26 = 84,446.22 : x
  2. Step 2: Convert to fraction form
    156,066.15/215,371.26 = 84,446.22/x
  3. Step 3: Cross multiply
    156,066.15x = 215,371.26 × 84,446.22
  4. Step 4: Simplify right side
    156,066.15x = 18,187,288,803.64
  5. Step 5: Solve for x
    x = 18,187,288,803.64/156,066.15
  6. Step 6: Final answer
    x = 116,535.77

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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.