Home / 185,858.22-256,497.02-105,286.40

Finding the Fourth Proportional to 185,858.22, 256,497.02 and 105,286.40

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Solution

The fourth proportional to 185,858.22, 256,497.02 and 105,286.40 is: 145,302.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,858.22 : 256,497.02 = 105,286.40 : x
  2. Step 2: Convert to fraction form
    185,858.22/256,497.02 = 105,286.40/x
  3. Step 3: Cross multiply
    185,858.22x = 256,497.02 × 105,286.40
  4. Step 4: Simplify right side
    185,858.22x = 27,005,649,429.33
  5. Step 5: Solve for x
    x = 27,005,649,429.33/185,858.22
  6. Step 6: Final answer
    x = 145,302.42

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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.