Home / 185,968.36-256,635.30-105,411.12

Finding the Fourth Proportional to 185,968.36, 256,635.30 and 105,411.12

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Solution

The fourth proportional to 185,968.36, 256,635.30 and 105,411.12 is: 145,466.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,968.36 : 256,635.30 = 105,411.12 : x
  2. Step 2: Convert to fraction form
    185,968.36/256,635.30 = 105,411.12/x
  3. Step 3: Cross multiply
    185,968.36x = 256,635.30 × 105,411.12
  4. Step 4: Simplify right side
    185,968.36x = 27,052,214,404.54
  5. Step 5: Solve for x
    x = 27,052,214,404.54/185,968.36
  6. Step 6: Final answer
    x = 145,466.76

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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.