Home / 185,704.54-256,288.13-105,146.26

Finding the Fourth Proportional to 185,704.54, 256,288.13 and 105,146.26

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Solution

The fourth proportional to 185,704.54, 256,288.13 and 105,146.26 is: 145,110.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,704.54 : 256,288.13 = 105,146.26 : x
  2. Step 2: Convert to fraction form
    185,704.54/256,288.13 = 105,146.26/x
  3. Step 3: Cross multiply
    185,704.54x = 256,288.13 × 105,146.26
  4. Step 4: Simplify right side
    185,704.54x = 26,947,738,351.89
  5. Step 5: Solve for x
    x = 26,947,738,351.89/185,704.54
  6. Step 6: Final answer
    x = 145,110.82

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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.