Home / 156,218.23-234,013.57-71,861.08

Finding the Fourth Proportional to 156,218.23, 234,013.57 and 71,861.08

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Solution

The fourth proportional to 156,218.23, 234,013.57 and 71,861.08 is: 107,647.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,218.23 : 234,013.57 = 71,861.08 : x
  2. Step 2: Convert to fraction form
    156,218.23/234,013.57 = 71,861.08/x
  3. Step 3: Cross multiply
    156,218.23x = 234,013.57 × 71,861.08
  4. Step 4: Simplify right side
    156,218.23x = 16,816,467,874.86
  5. Step 5: Solve for x
    x = 16,816,467,874.86/156,218.23
  6. Step 6: Final answer
    x = 107,647.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.