Home / 122,904.24-169,629.48-117,294.60

Finding the Fourth Proportional to 122,904.24, 169,629.48 and 117,294.60

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Solution

The fourth proportional to 122,904.24, 169,629.48 and 117,294.60 is: 161,887.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,904.24 : 169,629.48 = 117,294.60 : x
  2. Step 2: Convert to fraction form
    122,904.24/169,629.48 = 117,294.60/x
  3. Step 3: Cross multiply
    122,904.24x = 169,629.48 × 117,294.60
  4. Step 4: Simplify right side
    122,904.24x = 19,896,622,004.81
  5. Step 5: Solve for x
    x = 19,896,622,004.81/122,904.24
  6. Step 6: Final answer
    x = 161,887.19

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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.