Home / 150,106.15-225,186.51-71,219.64

Finding the Fourth Proportional to 150,106.15, 225,186.51 and 71,219.64

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Solution

The fourth proportional to 150,106.15, 225,186.51 and 71,219.64 is: 106,842.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,106.15 : 225,186.51 = 71,219.64 : x
  2. Step 2: Convert to fraction form
    150,106.15/225,186.51 = 71,219.64/x
  3. Step 3: Cross multiply
    150,106.15x = 225,186.51 × 71,219.64
  4. Step 4: Simplify right side
    150,106.15x = 16,037,702,175.06
  5. Step 5: Solve for x
    x = 16,037,702,175.06/150,106.15
  6. Step 6: Final answer
    x = 106,842.41

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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.