Home / 182,099.98-251,208.67-121,685.49

Finding the Fourth Proportional to 182,099.98, 251,208.67 and 121,685.49

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Solution

The fourth proportional to 182,099.98, 251,208.67 and 121,685.49 is: 167,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,099.98 : 251,208.67 = 121,685.49 : x
  2. Step 2: Convert to fraction form
    182,099.98/251,208.67 = 121,685.49/x
  3. Step 3: Cross multiply
    182,099.98x = 251,208.67 × 121,685.49
  4. Step 4: Simplify right side
    182,099.98x = 30,568,449,492.77
  5. Step 5: Solve for x
    x = 30,568,449,492.77/182,099.98
  6. Step 6: Final answer
    x = 167,866.30

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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.