Home / 130,998.11-196,535.43-42,249.65

Finding the Fourth Proportional to 130,998.11, 196,535.43 and 42,249.65

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Solution

The fourth proportional to 130,998.11, 196,535.43 and 42,249.65 is: 63,386.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,998.11 : 196,535.43 = 42,249.65 : x
  2. Step 2: Convert to fraction form
    130,998.11/196,535.43 = 42,249.65/x
  3. Step 3: Cross multiply
    130,998.11x = 196,535.43 × 42,249.65
  4. Step 4: Simplify right side
    130,998.11x = 8,303,552,147.42
  5. Step 5: Solve for x
    x = 8,303,552,147.42/130,998.11
  6. Step 6: Final answer
    x = 63,386.81

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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.