Home / 113,344.80-169,628.40-104,013.60

Finding the Fourth Proportional to 113,344.80, 169,628.40 and 104,013.60

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Solution

The fourth proportional to 113,344.80, 169,628.40 and 104,013.60 is: 155,663.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,344.80 : 169,628.40 = 104,013.60 : x
  2. Step 2: Convert to fraction form
    113,344.80/169,628.40 = 104,013.60/x
  3. Step 3: Cross multiply
    113,344.80x = 169,628.40 × 104,013.60
  4. Step 4: Simplify right side
    113,344.80x = 17,643,660,546.24
  5. Step 5: Solve for x
    x = 17,643,660,546.24/113,344.80
  6. Step 6: Final answer
    x = 155,663.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.