Home / 235,129.89-324,499.26-133,173.48

Finding the Fourth Proportional to 235,129.89, 324,499.26 and 133,173.48

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Solution

The fourth proportional to 235,129.89, 324,499.26 and 133,173.48 is: 183,790.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,129.89 : 324,499.26 = 133,173.48 : x
  2. Step 2: Convert to fraction form
    235,129.89/324,499.26 = 133,173.48/x
  3. Step 3: Cross multiply
    235,129.89x = 324,499.26 × 133,173.48
  4. Step 4: Simplify right side
    235,129.89x = 43,214,695,045.76
  5. Step 5: Solve for x
    x = 43,214,695,045.76/235,129.89
  6. Step 6: Final answer
    x = 183,790.74

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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.