Home / 221,202.43-305,250.28-124,403.67

Finding the Fourth Proportional to 221,202.43, 305,250.28 and 124,403.67

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Solution

The fourth proportional to 221,202.43, 305,250.28 and 124,403.67 is: 171,671.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,202.43 : 305,250.28 = 124,403.67 : x
  2. Step 2: Convert to fraction form
    221,202.43/305,250.28 = 124,403.67/x
  3. Step 3: Cross multiply
    221,202.43x = 305,250.28 × 124,403.67
  4. Step 4: Simplify right side
    221,202.43x = 37,974,254,789.52
  5. Step 5: Solve for x
    x = 37,974,254,789.52/221,202.43
  6. Step 6: Final answer
    x = 171,671.96

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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.