Home / 190,447.20-262,798.56-105,562.44

Finding the Fourth Proportional to 190,447.20, 262,798.56 and 105,562.44

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Solution

The fourth proportional to 190,447.20, 262,798.56 and 105,562.44 is: 145,665.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,447.20 : 262,798.56 = 105,562.44 : x
  2. Step 2: Convert to fraction form
    190,447.20/262,798.56 = 105,562.44/x
  3. Step 3: Cross multiply
    190,447.20x = 262,798.56 × 105,562.44
  4. Step 4: Simplify right side
    190,447.20x = 27,741,657,222.09
  5. Step 5: Solve for x
    x = 27,741,657,222.09/190,447.20
  6. Step 6: Final answer
    x = 145,665.87

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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.