Home / 171,564.50-236,702.27-103,555.64

Finding the Fourth Proportional to 171,564.50, 236,702.27 and 103,555.64

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Solution

The fourth proportional to 171,564.50, 236,702.27 and 103,555.64 is: 142,872.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,564.50 : 236,702.27 = 103,555.64 : x
  2. Step 2: Convert to fraction form
    171,564.50/236,702.27 = 103,555.64/x
  3. Step 3: Cross multiply
    171,564.50x = 236,702.27 × 103,555.64
  4. Step 4: Simplify right side
    171,564.50x = 24,511,855,909.95
  5. Step 5: Solve for x
    x = 24,511,855,909.95/171,564.50
  6. Step 6: Final answer
    x = 142,872.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.