Home / 185,635.72-256,177.47-100,752.85

Finding the Fourth Proportional to 185,635.72, 256,177.47 and 100,752.85

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Solution

The fourth proportional to 185,635.72, 256,177.47 and 100,752.85 is: 139,039.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,635.72 : 256,177.47 = 100,752.85 : x
  2. Step 2: Convert to fraction form
    185,635.72/256,177.47 = 100,752.85/x
  3. Step 3: Cross multiply
    185,635.72x = 256,177.47 × 100,752.85
  4. Step 4: Simplify right side
    185,635.72x = 25,810,610,208.29
  5. Step 5: Solve for x
    x = 25,810,610,208.29/185,635.72
  6. Step 6: Final answer
    x = 139,039.03

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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.