Home / 188,520.27-282,782.34-55,402.89

Finding the Fourth Proportional to 188,520.27, 282,782.34 and 55,402.89

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Solution

The fourth proportional to 188,520.27, 282,782.34 and 55,402.89 is: 83,104.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,520.27 : 282,782.34 = 55,402.89 : x
  2. Step 2: Convert to fraction form
    188,520.27/282,782.34 = 55,402.89/x
  3. Step 3: Cross multiply
    188,520.27x = 282,782.34 × 55,402.89
  4. Step 4: Simplify right side
    188,520.27x = 15,666,958,876.96
  5. Step 5: Solve for x
    x = 15,666,958,876.96/188,520.27
  6. Step 6: Final answer
    x = 83,104.90

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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.