Home / 137,160.88-205,749.35-52,921.49

Finding the Fourth Proportional to 137,160.88, 205,749.35 and 52,921.49

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Solution

The fourth proportional to 137,160.88, 205,749.35 and 52,921.49 is: 79,385.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,160.88 : 205,749.35 = 52,921.49 : x
  2. Step 2: Convert to fraction form
    137,160.88/205,749.35 = 52,921.49/x
  3. Step 3: Cross multiply
    137,160.88x = 205,749.35 × 52,921.49
  4. Step 4: Simplify right side
    137,160.88x = 10,888,561,903.92
  5. Step 5: Solve for x
    x = 10,888,561,903.92/137,160.88
  6. Step 6: Final answer
    x = 79,385.33

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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.