Home / 193,395.33-289,812.60-137,345.22

Finding the Fourth Proportional to 193,395.33, 289,812.60 and 137,345.22

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Solution

The fourth proportional to 193,395.33, 289,812.60 and 137,345.22 is: 205,818.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,395.33 : 289,812.60 = 137,345.22 : x
  2. Step 2: Convert to fraction form
    193,395.33/289,812.60 = 137,345.22/x
  3. Step 3: Cross multiply
    193,395.33x = 289,812.60 × 137,345.22
  4. Step 4: Simplify right side
    193,395.33x = 39,804,375,305.77
  5. Step 5: Solve for x
    x = 39,804,375,305.77/193,395.33
  6. Step 6: Final answer
    x = 205,818.70

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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.