Home / 107,380.94-148,259.84-67,112.81

Finding the Fourth Proportional to 107,380.94, 148,259.84 and 67,112.81

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Solution

The fourth proportional to 107,380.94, 148,259.84 and 67,112.81 is: 92,662.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,380.94 : 148,259.84 = 67,112.81 : x
  2. Step 2: Convert to fraction form
    107,380.94/148,259.84 = 67,112.81/x
  3. Step 3: Cross multiply
    107,380.94x = 148,259.84 × 67,112.81
  4. Step 4: Simplify right side
    107,380.94x = 9,950,133,395.69
  5. Step 5: Solve for x
    x = 9,950,133,395.69/107,380.94
  6. Step 6: Final answer
    x = 92,662.00

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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.