Home / 109,542.11-164,454.98-105,044.18

Finding the Fourth Proportional to 109,542.11, 164,454.98 and 105,044.18

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Solution

The fourth proportional to 109,542.11, 164,454.98 and 105,044.18 is: 157,702.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,542.11 : 164,454.98 = 105,044.18 : x
  2. Step 2: Convert to fraction form
    109,542.11/164,454.98 = 105,044.18/x
  3. Step 3: Cross multiply
    109,542.11x = 164,454.98 × 105,044.18
  4. Step 4: Simplify right side
    109,542.11x = 17,275,037,173.52
  5. Step 5: Solve for x
    x = 17,275,037,173.52/109,542.11
  6. Step 6: Final answer
    x = 157,702.26

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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.