Home / 133,199.22-199,798.82-54,319.58

Finding the Fourth Proportional to 133,199.22, 199,798.82 and 54,319.58

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Solution

The fourth proportional to 133,199.22, 199,798.82 and 54,319.58 is: 81,479.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,199.22 : 199,798.82 = 54,319.58 : x
  2. Step 2: Convert to fraction form
    133,199.22/199,798.82 = 54,319.58/x
  3. Step 3: Cross multiply
    133,199.22x = 199,798.82 × 54,319.58
  4. Step 4: Simplify right side
    133,199.22x = 10,852,987,986.90
  5. Step 5: Solve for x
    x = 10,852,987,986.90/133,199.22
  6. Step 6: Final answer
    x = 81,479.37

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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.