Home / 128,843.10-193,269.51-35,356.14

Finding the Fourth Proportional to 128,843.10, 193,269.51 and 35,356.14

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Solution

The fourth proportional to 128,843.10, 193,269.51 and 35,356.14 is: 53,035.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,843.10 : 193,269.51 = 35,356.14 : x
  2. Step 2: Convert to fraction form
    128,843.10/193,269.51 = 35,356.14/x
  3. Step 3: Cross multiply
    128,843.10x = 193,269.51 × 35,356.14
  4. Step 4: Simplify right side
    128,843.10x = 6,833,263,853.29
  5. Step 5: Solve for x
    x = 6,833,263,853.29/128,843.10
  6. Step 6: Final answer
    x = 53,035.54

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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.