Home / 155,922.20-233,729.70-77,048.60

Finding the Fourth Proportional to 155,922.20, 233,729.70 and 77,048.60

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Solution

The fourth proportional to 155,922.20, 233,729.70 and 77,048.60 is: 115,497.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,922.20 : 233,729.70 = 77,048.60 : x
  2. Step 2: Convert to fraction form
    155,922.20/233,729.70 = 77,048.60/x
  3. Step 3: Cross multiply
    155,922.20x = 233,729.70 × 77,048.60
  4. Step 4: Simplify right side
    155,922.20x = 18,008,546,163.42
  5. Step 5: Solve for x
    x = 18,008,546,163.42/155,922.20
  6. Step 6: Final answer
    x = 115,497.00

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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.