Home / 358,961.85-495,366.27-197,816.85

Finding the Fourth Proportional to 358,961.85, 495,366.27 and 197,816.85

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Solution

The fourth proportional to 358,961.85, 495,366.27 and 197,816.85 is: 272,986.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,961.85 : 495,366.27 = 197,816.85 : x
  2. Step 2: Convert to fraction form
    358,961.85/495,366.27 = 197,816.85/x
  3. Step 3: Cross multiply
    358,961.85x = 495,366.27 × 197,816.85
  4. Step 4: Simplify right side
    358,961.85x = 97,991,795,127.65
  5. Step 5: Solve for x
    x = 97,991,795,127.65/358,961.85
  6. Step 6: Final answer
    x = 272,986.66

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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.