Home / 117,324.23-161,908.20-63,610.07

Finding the Fourth Proportional to 117,324.23, 161,908.20 and 63,610.07

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Solution

The fourth proportional to 117,324.23, 161,908.20 and 63,610.07 is: 87,782.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,324.23 : 161,908.20 = 63,610.07 : x
  2. Step 2: Convert to fraction form
    117,324.23/161,908.20 = 63,610.07/x
  3. Step 3: Cross multiply
    117,324.23x = 161,908.20 × 63,610.07
  4. Step 4: Simplify right side
    117,324.23x = 10,298,991,126.03
  5. Step 5: Solve for x
    x = 10,298,991,126.03/117,324.23
  6. Step 6: Final answer
    x = 87,782.31

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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.