Home / 198,065.08-273,312.66-116,384.68

Finding the Fourth Proportional to 198,065.08, 273,312.66 and 116,384.68

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Solution

The fourth proportional to 198,065.08, 273,312.66 and 116,384.68 is: 160,600.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,065.08 : 273,312.66 = 116,384.68 : x
  2. Step 2: Convert to fraction form
    198,065.08/273,312.66 = 116,384.68/x
  3. Step 3: Cross multiply
    198,065.08x = 273,312.66 × 116,384.68
  4. Step 4: Simplify right side
    198,065.08x = 31,809,406,474.05
  5. Step 5: Solve for x
    x = 31,809,406,474.05/198,065.08
  6. Step 6: Final answer
    x = 160,600.78

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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.