Home / 199,063.68-298,637.64-65,936.40

Finding the Fourth Proportional to 199,063.68, 298,637.64 and 65,936.40

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Solution

The fourth proportional to 199,063.68, 298,637.64 and 65,936.40 is: 98,918.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,063.68 : 298,637.64 = 65,936.40 : x
  2. Step 2: Convert to fraction form
    199,063.68/298,637.64 = 65,936.40/x
  3. Step 3: Cross multiply
    199,063.68x = 298,637.64 × 65,936.40
  4. Step 4: Simplify right side
    199,063.68x = 19,691,090,886.10
  5. Step 5: Solve for x
    x = 19,691,090,886.10/199,063.68
  6. Step 6: Final answer
    x = 98,918.55

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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.