Home / 108,144.05-162,232.94-51,973.69

Finding the Fourth Proportional to 108,144.05, 162,232.94 and 51,973.69

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Solution

The fourth proportional to 108,144.05, 162,232.94 and 51,973.69 is: 77,968.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,144.05 : 162,232.94 = 51,973.69 : x
  2. Step 2: Convert to fraction form
    108,144.05/162,232.94 = 51,973.69/x
  3. Step 3: Cross multiply
    108,144.05x = 162,232.94 × 51,973.69
  4. Step 4: Simplify right side
    108,144.05x = 8,431,844,531.35
  5. Step 5: Solve for x
    x = 8,431,844,531.35/108,144.05
  6. Step 6: Final answer
    x = 77,968.64

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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.