Home / 185,631.22-256,171.19-100,748.28

Finding the Fourth Proportional to 185,631.22, 256,171.19 and 100,748.28

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Solution

The fourth proportional to 185,631.22, 256,171.19 and 100,748.28 is: 139,032.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,631.22 : 256,171.19 = 100,748.28 : x
  2. Step 2: Convert to fraction form
    185,631.22/256,171.19 = 100,748.28/x
  3. Step 3: Cross multiply
    185,631.22x = 256,171.19 × 100,748.28
  4. Step 4: Simplify right side
    185,631.22x = 25,808,806,274.31
  5. Step 5: Solve for x
    x = 25,808,806,274.31/185,631.22
  6. Step 6: Final answer
    x = 139,032.68

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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.