Home / 190,142.28-262,398.42-105,260.76

Finding the Fourth Proportional to 190,142.28, 262,398.42 and 105,260.76

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Solution

The fourth proportional to 190,142.28, 262,398.42 and 105,260.76 is: 145,261.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,142.28 : 262,398.42 = 105,260.76 : x
  2. Step 2: Convert to fraction form
    190,142.28/262,398.42 = 105,260.76/x
  3. Step 3: Cross multiply
    190,142.28x = 262,398.42 × 105,260.76
  4. Step 4: Simplify right side
    190,142.28x = 27,620,257,112.00
  5. Step 5: Solve for x
    x = 27,620,257,112.00/190,142.28
  6. Step 6: Final answer
    x = 145,261.00

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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.