Home / 155,770.81-233,661.48-43,453.78

Finding the Fourth Proportional to 155,770.81, 233,661.48 and 43,453.78

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Solution

The fourth proportional to 155,770.81, 233,661.48 and 43,453.78 is: 65,182.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,770.81 : 233,661.48 = 43,453.78 : x
  2. Step 2: Convert to fraction form
    155,770.81/233,661.48 = 43,453.78/x
  3. Step 3: Cross multiply
    155,770.81x = 233,661.48 × 43,453.78
  4. Step 4: Simplify right side
    155,770.81x = 10,153,474,546.39
  5. Step 5: Solve for x
    x = 10,153,474,546.39/155,770.81
  6. Step 6: Final answer
    x = 65,182.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.