Home / 185,538.74-256,044.11-100,656.41

Finding the Fourth Proportional to 185,538.74, 256,044.11 and 100,656.41

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Solution

The fourth proportional to 185,538.74, 256,044.11 and 100,656.41 is: 138,906.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,538.74 : 256,044.11 = 100,656.41 : x
  2. Step 2: Convert to fraction form
    185,538.74/256,044.11 = 100,656.41/x
  3. Step 3: Cross multiply
    185,538.74x = 256,044.11 × 100,656.41
  4. Step 4: Simplify right side
    185,538.74x = 25,772,479,130.74
  5. Step 5: Solve for x
    x = 25,772,479,130.74/185,538.74
  6. Step 6: Final answer
    x = 138,906.19

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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.