Home / 140,199.12-193,477.41-76,539.33

Finding the Fourth Proportional to 140,199.12, 193,477.41 and 76,539.33

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Solution

The fourth proportional to 140,199.12, 193,477.41 and 76,539.33 is: 105,625.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,199.12 : 193,477.41 = 76,539.33 : x
  2. Step 2: Convert to fraction form
    140,199.12/193,477.41 = 76,539.33/x
  3. Step 3: Cross multiply
    140,199.12x = 193,477.41 × 76,539.33
  4. Step 4: Simplify right side
    140,199.12x = 14,808,631,331.54
  5. Step 5: Solve for x
    x = 14,808,631,331.54/140,199.12
  6. Step 6: Final answer
    x = 105,625.71

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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.