Home / 156,223.62-215,588.79-84,604.23

Finding the Fourth Proportional to 156,223.62, 215,588.79 and 84,604.23

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Solution

The fourth proportional to 156,223.62, 215,588.79 and 84,604.23 is: 116,753.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,223.62 : 215,588.79 = 84,604.23 : x
  2. Step 2: Convert to fraction form
    156,223.62/215,588.79 = 84,604.23/x
  3. Step 3: Cross multiply
    156,223.62x = 215,588.79 × 84,604.23
  4. Step 4: Simplify right side
    156,223.62x = 18,239,723,574.58
  5. Step 5: Solve for x
    x = 18,239,723,574.58/156,223.62
  6. Step 6: Final answer
    x = 116,753.94

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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.