Home / 136,935.59-205,403.33-51,562.51

Finding the Fourth Proportional to 136,935.59, 205,403.33 and 51,562.51

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Solution

The fourth proportional to 136,935.59, 205,403.33 and 51,562.51 is: 77,343.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,935.59 : 205,403.33 = 51,562.51 : x
  2. Step 2: Convert to fraction form
    136,935.59/205,403.33 = 51,562.51/x
  3. Step 3: Cross multiply
    136,935.59x = 205,403.33 × 51,562.51
  4. Step 4: Simplify right side
    136,935.59x = 10,591,110,872.56
  5. Step 5: Solve for x
    x = 10,591,110,872.56/136,935.59
  6. Step 6: Final answer
    x = 77,343.74

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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.