Home / 156,226.80-215,592.51-84,606.80

Finding the Fourth Proportional to 156,226.80, 215,592.51 and 84,606.80

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Solution

The fourth proportional to 156,226.80, 215,592.51 and 84,606.80 is: 116,757.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,226.80 : 215,592.51 = 84,606.80 : x
  2. Step 2: Convert to fraction form
    156,226.80/215,592.51 = 84,606.80/x
  3. Step 3: Cross multiply
    156,226.80x = 215,592.51 × 84,606.80
  4. Step 4: Simplify right side
    156,226.80x = 18,240,593,195.49
  5. Step 5: Solve for x
    x = 18,240,593,195.49/156,226.80
  6. Step 6: Final answer
    x = 116,757.13

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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.