Home / 105,601.51-145,733.00-60,286.87

Finding the Fourth Proportional to 105,601.51, 145,733.00 and 60,286.87

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Solution

The fourth proportional to 105,601.51, 145,733.00 and 60,286.87 is: 83,197.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,601.51 : 145,733.00 = 60,286.87 : x
  2. Step 2: Convert to fraction form
    105,601.51/145,733.00 = 60,286.87/x
  3. Step 3: Cross multiply
    105,601.51x = 145,733.00 × 60,286.87
  4. Step 4: Simplify right side
    105,601.51x = 8,785,785,759.94
  5. Step 5: Solve for x
    x = 8,785,785,759.94/105,601.51
  6. Step 6: Final answer
    x = 83,197.54

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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.