Home / 158,626.45-219,194.20-115,531.01

Finding the Fourth Proportional to 158,626.45, 219,194.20 and 115,531.01

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Solution

The fourth proportional to 158,626.45, 219,194.20 and 115,531.01 is: 159,643.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,626.45 : 219,194.20 = 115,531.01 : x
  2. Step 2: Convert to fraction form
    158,626.45/219,194.20 = 115,531.01/x
  3. Step 3: Cross multiply
    158,626.45x = 219,194.20 × 115,531.01
  4. Step 4: Simplify right side
    158,626.45x = 25,323,727,182.56
  5. Step 5: Solve for x
    x = 25,323,727,182.56/158,626.45
  6. Step 6: Final answer
    x = 159,643.79

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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.