Home / 155,662.35-233,493.53-76,930.35

Finding the Fourth Proportional to 155,662.35, 233,493.53 and 76,930.35

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Solution

The fourth proportional to 155,662.35, 233,493.53 and 76,930.35 is: 115,395.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,662.35 : 233,493.53 = 76,930.35 : x
  2. Step 2: Convert to fraction form
    155,662.35/233,493.53 = 76,930.35/x
  3. Step 3: Cross multiply
    155,662.35x = 233,493.53 × 76,930.35
  4. Step 4: Simplify right side
    155,662.35x = 17,962,738,600.98
  5. Step 5: Solve for x
    x = 17,962,738,600.98/155,662.35
  6. Step 6: Final answer
    x = 115,395.53

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1.5x scale

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.