Home / 190,365.78-262,635.27-113,887.08

Finding the Fourth Proportional to 190,365.78, 262,635.27 and 113,887.08

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Solution

The fourth proportional to 190,365.78, 262,635.27 and 113,887.08 is: 157,122.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,365.78 : 262,635.27 = 113,887.08 : x
  2. Step 2: Convert to fraction form
    190,365.78/262,635.27 = 113,887.08/x
  3. Step 3: Cross multiply
    190,365.78x = 262,635.27 × 113,887.08
  4. Step 4: Simplify right side
    190,365.78x = 29,910,764,005.31
  5. Step 5: Solve for x
    x = 29,910,764,005.31/190,365.78
  6. Step 6: Final answer
    x = 157,122.59

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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.