Home / 204,020.15-306,082.13-119,851.52

Finding the Fourth Proportional to 204,020.15, 306,082.13 and 119,851.52

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Solution

The fourth proportional to 204,020.15, 306,082.13 and 119,851.52 is: 179,807.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,020.15 : 306,082.13 = 119,851.52 : x
  2. Step 2: Convert to fraction form
    204,020.15/306,082.13 = 119,851.52/x
  3. Step 3: Cross multiply
    204,020.15x = 306,082.13 × 119,851.52
  4. Step 4: Simplify right side
    204,020.15x = 36,684,406,395.67
  5. Step 5: Solve for x
    x = 36,684,406,395.67/204,020.15
  6. Step 6: Final answer
    x = 179,807.77

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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.