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Finding the Fourth Proportional to 140,175.61, 193,467.44 and 83,590.63

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Solution

The fourth proportional to 140,175.61, 193,467.44 and 83,590.63 is: 115,370.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,175.61 : 193,467.44 = 83,590.63 : x
  2. Step 2: Convert to fraction form
    140,175.61/193,467.44 = 83,590.63/x
  3. Step 3: Cross multiply
    140,175.61x = 193,467.44 × 83,590.63
  4. Step 4: Simplify right side
    140,175.61x = 16,172,065,194.09
  5. Step 5: Solve for x
    x = 16,172,065,194.09/140,175.61
  6. Step 6: Final answer
    x = 115,370.04

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1.5x scale

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.