Home / 173,058.10-259,543.95-66,418.90

Finding the Fourth Proportional to 173,058.10, 259,543.95 and 66,418.90

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Solution

The fourth proportional to 173,058.10, 259,543.95 and 66,418.90 is: 99,611.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,058.10 : 259,543.95 = 66,418.90 : x
  2. Step 2: Convert to fraction form
    173,058.10/259,543.95 = 66,418.90/x
  3. Step 3: Cross multiply
    173,058.10x = 259,543.95 × 66,418.90
  4. Step 4: Simplify right side
    173,058.10x = 17,238,623,660.66
  5. Step 5: Solve for x
    x = 17,238,623,660.66/173,058.10
  6. Step 6: Final answer
    x = 99,611.77

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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.