Home / 185,372.39-277,892.13-85,481.57

Finding the Fourth Proportional to 185,372.39, 277,892.13 and 85,481.57

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Solution

The fourth proportional to 185,372.39, 277,892.13 and 85,481.57 is: 128,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,372.39 : 277,892.13 = 85,481.57 : x
  2. Step 2: Convert to fraction form
    185,372.39/277,892.13 = 85,481.57/x
  3. Step 3: Cross multiply
    185,372.39x = 277,892.13 × 85,481.57
  4. Step 4: Simplify right side
    185,372.39x = 23,754,655,563.04
  5. Step 5: Solve for x
    x = 23,754,655,563.04/185,372.39
  6. Step 6: Final answer
    x = 128,145.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.