Home / 158,945.24-219,440.76-105,276.26

Finding the Fourth Proportional to 158,945.24, 219,440.76 and 105,276.26

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Solution

The fourth proportional to 158,945.24, 219,440.76 and 105,276.26 is: 145,345.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,945.24 : 219,440.76 = 105,276.26 : x
  2. Step 2: Convert to fraction form
    158,945.24/219,440.76 = 105,276.26/x
  3. Step 3: Cross multiply
    158,945.24x = 219,440.76 × 105,276.26
  4. Step 4: Simplify right side
    158,945.24x = 23,101,902,504.36
  5. Step 5: Solve for x
    x = 23,101,902,504.36/158,945.24
  6. Step 6: Final answer
    x = 145,345.04

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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.