Home / 356,211.24-491,582.64-195,081.60

Finding the Fourth Proportional to 356,211.24, 491,582.64 and 195,081.60

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Solution

The fourth proportional to 356,211.24, 491,582.64 and 195,081.60 is: 269,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,211.24 : 491,582.64 = 195,081.60 : x
  2. Step 2: Convert to fraction form
    356,211.24/491,582.64 = 195,081.60/x
  3. Step 3: Cross multiply
    356,211.24x = 491,582.64 × 195,081.60
  4. Step 4: Simplify right side
    356,211.24x = 95,898,727,943.42
  5. Step 5: Solve for x
    x = 95,898,727,943.42/356,211.24
  6. Step 6: Final answer
    x = 269,218.70

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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.