Home / 190,447.71-262,826.37-108,783.06

Finding the Fourth Proportional to 190,447.71, 262,826.37 and 108,783.06

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Solution

The fourth proportional to 190,447.71, 262,826.37 and 108,783.06 is: 150,125.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,447.71 : 262,826.37 = 108,783.06 : x
  2. Step 2: Convert to fraction form
    190,447.71/262,826.37 = 108,783.06/x
  3. Step 3: Cross multiply
    190,447.71x = 262,826.37 × 108,783.06
  4. Step 4: Simplify right side
    190,447.71x = 28,591,056,777.29
  5. Step 5: Solve for x
    x = 28,591,056,777.29/190,447.71
  6. Step 6: Final answer
    x = 150,125.50

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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.