Home / 190,778.70-263,199.69-114,301.02

Finding the Fourth Proportional to 190,778.70, 263,199.69 and 114,301.02

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Solution

The fourth proportional to 190,778.70, 263,199.69 and 114,301.02 is: 157,690.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,778.70 : 263,199.69 = 114,301.02 : x
  2. Step 2: Convert to fraction form
    190,778.70/263,199.69 = 114,301.02/x
  3. Step 3: Cross multiply
    190,778.70x = 263,199.69 × 114,301.02
  4. Step 4: Simplify right side
    190,778.70x = 30,083,992,459.18
  5. Step 5: Solve for x
    x = 30,083,992,459.18/190,778.70
  6. Step 6: Final answer
    x = 157,690.52

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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.