Home / 352,976.67-487,111.53-191,831.71

Finding the Fourth Proportional to 352,976.67, 487,111.53 and 191,831.71

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Solution

The fourth proportional to 352,976.67, 487,111.53 and 191,831.71 is: 264,729.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,976.67 : 487,111.53 = 191,831.71 : x
  2. Step 2: Convert to fraction form
    352,976.67/487,111.53 = 191,831.71/x
  3. Step 3: Cross multiply
    352,976.67x = 487,111.53 × 191,831.71
  4. Step 4: Simplify right side
    352,976.67x = 93,443,437,760.62
  5. Step 5: Solve for x
    x = 93,443,437,760.62/352,976.67
  6. Step 6: Final answer
    x = 264,729.78

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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.