Home / 156,174.03-215,520.30-84,554.10

Finding the Fourth Proportional to 156,174.03, 215,520.30 and 84,554.10

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Solution

The fourth proportional to 156,174.03, 215,520.30 and 84,554.10 is: 116,684.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,174.03 : 215,520.30 = 84,554.10 : x
  2. Step 2: Convert to fraction form
    156,174.03/215,520.30 = 84,554.10/x
  3. Step 3: Cross multiply
    156,174.03x = 215,520.30 × 84,554.10
  4. Step 4: Simplify right side
    156,174.03x = 18,223,124,998.23
  5. Step 5: Solve for x
    x = 18,223,124,998.23/156,174.03
  6. Step 6: Final answer
    x = 116,684.73

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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.