Home / 156,226.56-215,592.84-84,606.69

Finding the Fourth Proportional to 156,226.56, 215,592.84 and 84,606.69

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Solution

The fourth proportional to 156,226.56, 215,592.84 and 84,606.69 is: 116,757.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,226.56 : 215,592.84 = 84,606.69 : x
  2. Step 2: Convert to fraction form
    156,226.56/215,592.84 = 84,606.69/x
  3. Step 3: Cross multiply
    156,226.56x = 215,592.84 × 84,606.69
  4. Step 4: Simplify right side
    156,226.56x = 18,240,596,580.10
  5. Step 5: Solve for x
    x = 18,240,596,580.10/156,226.56
  6. Step 6: Final answer
    x = 116,757.33

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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.