Home / 186,003.37-256,704.69-105,422.23

Finding the Fourth Proportional to 186,003.37, 256,704.69 and 105,422.23

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Solution

The fourth proportional to 186,003.37, 256,704.69 and 105,422.23 is: 145,494.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,003.37 : 256,704.69 = 105,422.23 : x
  2. Step 2: Convert to fraction form
    186,003.37/256,704.69 = 105,422.23/x
  3. Step 3: Cross multiply
    186,003.37x = 256,704.69 × 105,422.23
  4. Step 4: Simplify right side
    186,003.37x = 27,062,380,871.26
  5. Step 5: Solve for x
    x = 27,062,380,871.26/186,003.37
  6. Step 6: Final answer
    x = 145,494.04

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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.