Home / 235,096.42-324,453.16-133,139.90

Finding the Fourth Proportional to 235,096.42, 324,453.16 and 133,139.90

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Solution

The fourth proportional to 235,096.42, 324,453.16 and 133,139.90 is: 183,744.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,096.42 : 324,453.16 = 133,139.90 : x
  2. Step 2: Convert to fraction form
    235,096.42/324,453.16 = 133,139.90/x
  3. Step 3: Cross multiply
    235,096.42x = 324,453.16 × 133,139.90
  4. Step 4: Simplify right side
    235,096.42x = 43,197,661,277.08
  5. Step 5: Solve for x
    x = 43,197,661,277.08/235,096.42
  6. Step 6: Final answer
    x = 183,744.45

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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.