Home / 155,239.39-233,190.78-111,149.47

Finding the Fourth Proportional to 155,239.39, 233,190.78 and 111,149.47

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Solution

The fourth proportional to 155,239.39, 233,190.78 and 111,149.47 is: 166,961.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,239.39 : 233,190.78 = 111,149.47 : x
  2. Step 2: Convert to fraction form
    155,239.39/233,190.78 = 111,149.47/x
  3. Step 3: Cross multiply
    155,239.39x = 233,190.78 × 111,149.47
  4. Step 4: Simplify right side
    155,239.39x = 25,919,031,605.89
  5. Step 5: Solve for x
    x = 25,919,031,605.89/155,239.39
  6. Step 6: Final answer
    x = 166,961.69

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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.