Home / 173,961.80-261,029.10-68,784.20

Finding the Fourth Proportional to 173,961.80, 261,029.10 and 68,784.20

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Solution

The fourth proportional to 173,961.80, 261,029.10 and 68,784.20 is: 103,210.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,961.80 : 261,029.10 = 68,784.20 : x
  2. Step 2: Convert to fraction form
    173,961.80/261,029.10 = 68,784.20/x
  3. Step 3: Cross multiply
    173,961.80x = 261,029.10 × 68,784.20
  4. Step 4: Simplify right side
    173,961.80x = 17,954,677,820.22
  5. Step 5: Solve for x
    x = 17,954,677,820.22/173,961.80
  6. Step 6: Final answer
    x = 103,210.46

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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.