Home / 239,542.56-358,919.76-189,941.28

Finding the Fourth Proportional to 239,542.56, 358,919.76 and 189,941.28

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Solution

The fourth proportional to 239,542.56, 358,919.76 and 189,941.28 is: 284,599.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,542.56 : 358,919.76 = 189,941.28 : x
  2. Step 2: Convert to fraction form
    239,542.56/358,919.76 = 189,941.28/x
  3. Step 3: Cross multiply
    239,542.56x = 358,919.76 × 189,941.28
  4. Step 4: Simplify right side
    239,542.56x = 68,173,678,631.69
  5. Step 5: Solve for x
    x = 68,173,678,631.69/239,542.56
  6. Step 6: Final answer
    x = 284,599.44

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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.