Home / 105,486.92-158,288.88-43,201.16

Finding the Fourth Proportional to 105,486.92, 158,288.88 and 43,201.16

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Solution

The fourth proportional to 105,486.92, 158,288.88 and 43,201.16 is: 64,825.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,486.92 : 158,288.88 = 43,201.16 : x
  2. Step 2: Convert to fraction form
    105,486.92/158,288.88 = 43,201.16/x
  3. Step 3: Cross multiply
    105,486.92x = 158,288.88 × 43,201.16
  4. Step 4: Simplify right side
    105,486.92x = 6,838,263,231.10
  5. Step 5: Solve for x
    x = 6,838,263,231.10/105,486.92
  6. Step 6: Final answer
    x = 64,825.70

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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.