Home / 190,354.46-262,808.60-122,489.37

Finding the Fourth Proportional to 190,354.46, 262,808.60 and 122,489.37

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Solution

The fourth proportional to 190,354.46, 262,808.60 and 122,489.37 is: 169,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,354.46 : 262,808.60 = 122,489.37 : x
  2. Step 2: Convert to fraction form
    190,354.46/262,808.60 = 122,489.37/x
  3. Step 3: Cross multiply
    190,354.46x = 262,808.60 × 122,489.37
  4. Step 4: Simplify right side
    190,354.46x = 32,191,259,724.90
  5. Step 5: Solve for x
    x = 32,191,259,724.90/190,354.46
  6. Step 6: Final answer
    x = 169,112.20

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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.