Home / 167,431.20-251,187.30-49,106.40

Finding the Fourth Proportional to 167,431.20, 251,187.30 and 49,106.40

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Solution

The fourth proportional to 167,431.20, 251,187.30 and 49,106.40 is: 73,671.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,431.20 : 251,187.30 = 49,106.40 : x
  2. Step 2: Convert to fraction form
    167,431.20/251,187.30 = 49,106.40/x
  3. Step 3: Cross multiply
    167,431.20x = 251,187.30 × 49,106.40
  4. Step 4: Simplify right side
    167,431.20x = 12,334,904,028.72
  5. Step 5: Solve for x
    x = 12,334,904,028.72/167,431.20
  6. Step 6: Final answer
    x = 73,671.48

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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.