Home / 135,251.37-186,660.91-77,892.74

Finding the Fourth Proportional to 135,251.37, 186,660.91 and 77,892.74

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Solution

The fourth proportional to 135,251.37, 186,660.91 and 77,892.74 is: 107,500.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,251.37 : 186,660.91 = 77,892.74 : x
  2. Step 2: Convert to fraction form
    135,251.37/186,660.91 = 77,892.74/x
  3. Step 3: Cross multiply
    135,251.37x = 186,660.91 × 77,892.74
  4. Step 4: Simplify right side
    135,251.37x = 14,539,529,156.69
  5. Step 5: Solve for x
    x = 14,539,529,156.69/135,251.37
  6. Step 6: Final answer
    x = 107,500.05

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1.5x scale

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.