Home / 156,236.49-215,606.52-84,616.61

Finding the Fourth Proportional to 156,236.49, 215,606.52 and 84,616.61

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Solution

The fourth proportional to 156,236.49, 215,606.52 and 84,616.61 is: 116,771.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,236.49 : 215,606.52 = 84,616.61 : x
  2. Step 2: Convert to fraction form
    156,236.49/215,606.52 = 84,616.61/x
  3. Step 3: Cross multiply
    156,236.49x = 215,606.52 × 84,616.61
  4. Step 4: Simplify right side
    156,236.49x = 18,243,891,738.26
  5. Step 5: Solve for x
    x = 18,243,891,738.26/156,236.49
  6. Step 6: Final answer
    x = 116,771.00

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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.