Home / 185,635.31-256,176.99-100,752.38

Finding the Fourth Proportional to 185,635.31, 256,176.99 and 100,752.38

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Solution

The fourth proportional to 185,635.31, 256,176.99 and 100,752.38 is: 139,038.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,635.31 : 256,176.99 = 100,752.38 : x
  2. Step 2: Convert to fraction form
    185,635.31/256,176.99 = 100,752.38/x
  3. Step 3: Cross multiply
    185,635.31x = 256,176.99 × 100,752.38
  4. Step 4: Simplify right side
    185,635.31x = 25,810,439,659.09
  5. Step 5: Solve for x
    x = 25,810,439,659.09/185,635.31
  6. Step 6: Final answer
    x = 139,038.42

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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.