Home / 259,935.39-389,903.13-93,723.39

Finding the Fourth Proportional to 259,935.39, 389,903.13 and 93,723.39

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Solution

The fourth proportional to 259,935.39, 389,903.13 and 93,723.39 is: 140,585.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,935.39 : 389,903.13 = 93,723.39 : x
  2. Step 2: Convert to fraction form
    259,935.39/389,903.13 = 93,723.39/x
  3. Step 3: Cross multiply
    259,935.39x = 389,903.13 × 93,723.39
  4. Step 4: Simplify right side
    259,935.39x = 36,543,043,115.21
  5. Step 5: Solve for x
    x = 36,543,043,115.21/259,935.39
  6. Step 6: Final answer
    x = 140,585.10

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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.