Home / 356,152.30-491,490.11-195,007.32

Finding the Fourth Proportional to 356,152.30, 491,490.11 and 195,007.32

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Solution

The fourth proportional to 356,152.30, 491,490.11 and 195,007.32 is: 269,110.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,152.30 : 491,490.11 = 195,007.32 : x
  2. Step 2: Convert to fraction form
    356,152.30/491,490.11 = 195,007.32/x
  3. Step 3: Cross multiply
    356,152.30x = 491,490.11 × 195,007.32
  4. Step 4: Simplify right side
    356,152.30x = 95,844,169,645.12
  5. Step 5: Solve for x
    x = 95,844,169,645.12/356,152.30
  6. Step 6: Final answer
    x = 269,110.07

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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.