Home / 221,835.55-332,620.32-101,742.10

Finding the Fourth Proportional to 221,835.55, 332,620.32 and 101,742.10

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Solution

The fourth proportional to 221,835.55, 332,620.32 and 101,742.10 is: 152,552.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,835.55 : 332,620.32 = 101,742.10 : x
  2. Step 2: Convert to fraction form
    221,835.55/332,620.32 = 101,742.10/x
  3. Step 3: Cross multiply
    221,835.55x = 332,620.32 × 101,742.10
  4. Step 4: Simplify right side
    221,835.55x = 33,841,489,859.47
  5. Step 5: Solve for x
    x = 33,841,489,859.47/221,835.55
  6. Step 6: Final answer
    x = 152,552.15

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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.