Home / 140,173.48-193,493.64-83,589.04

Finding the Fourth Proportional to 140,173.48, 193,493.64 and 83,589.04

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Solution

The fourth proportional to 140,173.48, 193,493.64 and 83,589.04 is: 115,385.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,173.48 : 193,493.64 = 83,589.04 : x
  2. Step 2: Convert to fraction form
    140,173.48/193,493.64 = 83,589.04/x
  3. Step 3: Cross multiply
    140,173.48x = 193,493.64 × 83,589.04
  4. Step 4: Simplify right side
    140,173.48x = 16,173,947,613.71
  5. Step 5: Solve for x
    x = 16,173,947,613.71/140,173.48
  6. Step 6: Final answer
    x = 115,385.22

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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.