Home / 235,131.86-324,471.10-133,154.98

Finding the Fourth Proportional to 235,131.86, 324,471.10 and 133,154.98

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Solution

The fourth proportional to 235,131.86, 324,471.10 and 133,154.98 is: 183,747.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,131.86 : 324,471.10 = 133,154.98 : x
  2. Step 2: Convert to fraction form
    235,131.86/324,471.10 = 133,154.98/x
  3. Step 3: Cross multiply
    235,131.86x = 324,471.10 × 133,154.98
  4. Step 4: Simplify right side
    235,131.86x = 43,204,942,831.08
  5. Step 5: Solve for x
    x = 43,204,942,831.08/235,131.86
  6. Step 6: Final answer
    x = 183,747.72

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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.