Home / 183,767.62-253,596.09-103,195.78

Finding the Fourth Proportional to 183,767.62, 253,596.09 and 103,195.78

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Solution

The fourth proportional to 183,767.62, 253,596.09 and 103,195.78 is: 142,408.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,767.62 : 253,596.09 = 103,195.78 : x
  2. Step 2: Convert to fraction form
    183,767.62/253,596.09 = 103,195.78/x
  3. Step 3: Cross multiply
    183,767.62x = 253,596.09 × 103,195.78
  4. Step 4: Simplify right side
    183,767.62x = 26,170,046,312.50
  5. Step 5: Solve for x
    x = 26,170,046,312.50/183,767.62
  6. Step 6: Final answer
    x = 142,408.37

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1.5x scale

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.