Home / 190,521.20-262,906.44-105,635.12

Finding the Fourth Proportional to 190,521.20, 262,906.44 and 105,635.12

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Solution

The fourth proportional to 190,521.20, 262,906.44 and 105,635.12 is: 145,769.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,521.20 : 262,906.44 = 105,635.12 : x
  2. Step 2: Convert to fraction form
    190,521.20/262,906.44 = 105,635.12/x
  3. Step 3: Cross multiply
    190,521.20x = 262,906.44 × 105,635.12
  4. Step 4: Simplify right side
    190,521.20x = 27,772,153,338.17
  5. Step 5: Solve for x
    x = 27,772,153,338.17/190,521.20
  6. Step 6: Final answer
    x = 145,769.36

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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.