Home / 185,817.40-256,422.60-100,934.26

Finding the Fourth Proportional to 185,817.40, 256,422.60 and 100,934.26

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Solution

The fourth proportional to 185,817.40, 256,422.60 and 100,934.26 is: 139,286.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,817.40 : 256,422.60 = 100,934.26 : x
  2. Step 2: Convert to fraction form
    185,817.40/256,422.60 = 100,934.26/x
  3. Step 3: Cross multiply
    185,817.40x = 256,422.60 × 100,934.26
  4. Step 4: Simplify right side
    185,817.40x = 25,881,825,378.28
  5. Step 5: Solve for x
    x = 25,881,825,378.28/185,817.40
  6. Step 6: Final answer
    x = 139,286.34

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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.