Home / 113,856.54-171,158.46-105,635.88

Finding the Fourth Proportional to 113,856.54, 171,158.46 and 105,635.88

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Solution

The fourth proportional to 113,856.54, 171,158.46 and 105,635.88 is: 158,800.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,856.54 : 171,158.46 = 105,635.88 : x
  2. Step 2: Convert to fraction form
    113,856.54/171,158.46 = 105,635.88/x
  3. Step 3: Cross multiply
    113,856.54x = 171,158.46 × 105,635.88
  4. Step 4: Simplify right side
    113,856.54x = 18,080,474,541.54
  5. Step 5: Solve for x
    x = 18,080,474,541.54/113,856.54
  6. Step 6: Final answer
    x = 158,800.49

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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.