Home / 221,837.72-332,756.30-53,357.96

Finding the Fourth Proportional to 221,837.72, 332,756.30 and 53,357.96

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Solution

The fourth proportional to 221,837.72, 332,756.30 and 53,357.96 is: 80,036.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,837.72 : 332,756.30 = 53,357.96 : x
  2. Step 2: Convert to fraction form
    221,837.72/332,756.30 = 53,357.96/x
  3. Step 3: Cross multiply
    221,837.72x = 332,756.30 × 53,357.96
  4. Step 4: Simplify right side
    221,837.72x = 17,755,197,345.15
  5. Step 5: Solve for x
    x = 17,755,197,345.15/221,837.72
  6. Step 6: Final answer
    x = 80,036.87

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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.