Home / 198,082.80-296,599.32-119,088.36

Finding the Fourth Proportional to 198,082.80, 296,599.32 and 119,088.36

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Solution

The fourth proportional to 198,082.80, 296,599.32 and 119,088.36 is: 178,316.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,082.80 : 296,599.32 = 119,088.36 : x
  2. Step 2: Convert to fraction form
    198,082.80/296,599.32 = 119,088.36/x
  3. Step 3: Cross multiply
    198,082.80x = 296,599.32 × 119,088.36
  4. Step 4: Simplify right side
    198,082.80x = 35,321,526,595.92
  5. Step 5: Solve for x
    x = 35,321,526,595.92/198,082.80
  6. Step 6: Final answer
    x = 178,316.98

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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.