Home / 185,799.44-256,403.64-100,914.68

Finding the Fourth Proportional to 185,799.44, 256,403.64 and 100,914.68

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Solution

The fourth proportional to 185,799.44, 256,403.64 and 100,914.68 is: 139,262.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,799.44 : 256,403.64 = 100,914.68 : x
  2. Step 2: Convert to fraction form
    185,799.44/256,403.64 = 100,914.68/x
  3. Step 3: Cross multiply
    185,799.44x = 256,403.64 × 100,914.68
  4. Step 4: Simplify right side
    185,799.44x = 25,874,891,281.44
  5. Step 5: Solve for x
    x = 25,874,891,281.44/185,799.44
  6. Step 6: Final answer
    x = 139,262.48

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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.