Home / 235,221.86-324,534.65-133,231.11

Finding the Fourth Proportional to 235,221.86, 324,534.65 and 133,231.11

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Solution

The fourth proportional to 235,221.86, 324,534.65 and 133,231.11 is: 183,818.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,221.86 : 324,534.65 = 133,231.11 : x
  2. Step 2: Convert to fraction form
    235,221.86/324,534.65 = 133,231.11/x
  3. Step 3: Cross multiply
    235,221.86x = 324,534.65 × 133,231.11
  4. Step 4: Simplify right side
    235,221.86x = 43,238,110,986.81
  5. Step 5: Solve for x
    x = 43,238,110,986.81/235,221.86
  6. Step 6: Final answer
    x = 183,818.43

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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.