Home / 140,173.61-193,464.68-83,588.63

Finding the Fourth Proportional to 140,173.61, 193,464.68 and 83,588.63

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Solution

The fourth proportional to 140,173.61, 193,464.68 and 83,588.63 is: 115,367.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,173.61 : 193,464.68 = 83,588.63 : x
  2. Step 2: Convert to fraction form
    140,173.61/193,464.68 = 83,588.63/x
  3. Step 3: Cross multiply
    140,173.61x = 193,464.68 × 83,588.63
  4. Step 4: Simplify right side
    140,173.61x = 16,171,446,169.32
  5. Step 5: Solve for x
    x = 16,171,446,169.32/140,173.61
  6. Step 6: Final answer
    x = 115,367.27

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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.