Home / 219,663.39-303,132.20-124,166.73

Finding the Fourth Proportional to 219,663.39, 303,132.20 and 124,166.73

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Solution

The fourth proportional to 219,663.39, 303,132.20 and 124,166.73 is: 171,348.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,663.39 : 303,132.20 = 124,166.73 : x
  2. Step 2: Convert to fraction form
    219,663.39/303,132.20 = 124,166.73/x
  3. Step 3: Cross multiply
    219,663.39x = 303,132.20 × 124,166.73
  4. Step 4: Simplify right side
    219,663.39x = 37,638,933,410.87
  5. Step 5: Solve for x
    x = 37,638,933,410.87/219,663.39
  6. Step 6: Final answer
    x = 171,348.23

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1.5x scale

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.