Home / 198,547.86-273,996.66-113,665.56

Finding the Fourth Proportional to 198,547.86, 273,996.66 and 113,665.56

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Solution

The fourth proportional to 198,547.86, 273,996.66 and 113,665.56 is: 156,858.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,547.86 : 273,996.66 = 113,665.56 : x
  2. Step 2: Convert to fraction form
    198,547.86/273,996.66 = 113,665.56/x
  3. Step 3: Cross multiply
    198,547.86x = 273,996.66 × 113,665.56
  4. Step 4: Simplify right side
    198,547.86x = 31,143,983,797.03
  5. Step 5: Solve for x
    x = 31,143,983,797.03/198,547.86
  6. Step 6: Final answer
    x = 156,858.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.