Home / 185,824.44-256,438.18-100,939.72

Finding the Fourth Proportional to 185,824.44, 256,438.18 and 100,939.72

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Solution

The fourth proportional to 185,824.44, 256,438.18 and 100,939.72 is: 139,297.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,824.44 : 256,438.18 = 100,939.72 : x
  2. Step 2: Convert to fraction form
    185,824.44/256,438.18 = 100,939.72/x
  3. Step 3: Cross multiply
    185,824.44x = 256,438.18 × 100,939.72
  4. Step 4: Simplify right side
    185,824.44x = 25,884,798,086.51
  5. Step 5: Solve for x
    x = 25,884,798,086.51/185,824.44
  6. Step 6: Final answer
    x = 139,297.06

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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.