Home / 173,149.10-259,669.65-68,000.30

Finding the Fourth Proportional to 173,149.10, 259,669.65 and 68,000.30

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Solution

The fourth proportional to 173,149.10, 259,669.65 and 68,000.30 is: 101,979.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,149.10 : 259,669.65 = 68,000.30 : x
  2. Step 2: Convert to fraction form
    173,149.10/259,669.65 = 68,000.30/x
  3. Step 3: Cross multiply
    173,149.10x = 259,669.65 × 68,000.30
  4. Step 4: Simplify right side
    173,149.10x = 17,657,614,100.90
  5. Step 5: Solve for x
    x = 17,657,614,100.90/173,149.10
  6. Step 6: Final answer
    x = 101,979.24

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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.