Home / 140,275.54-193,581.48-79,850.08

Finding the Fourth Proportional to 140,275.54, 193,581.48 and 79,850.08

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Solution

The fourth proportional to 140,275.54, 193,581.48 and 79,850.08 is: 110,193.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,275.54 : 193,581.48 = 79,850.08 : x
  2. Step 2: Convert to fraction form
    140,275.54/193,581.48 = 79,850.08/x
  3. Step 3: Cross multiply
    140,275.54x = 193,581.48 × 79,850.08
  4. Step 4: Simplify right side
    140,275.54x = 15,457,496,664.52
  5. Step 5: Solve for x
    x = 15,457,496,664.52/140,275.54
  6. Step 6: Final answer
    x = 110,193.81

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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.