Home / 276,432.38-381,594.39-185,840.89

Finding the Fourth Proportional to 276,432.38, 381,594.39 and 185,840.89

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Solution

The fourth proportional to 276,432.38, 381,594.39 and 185,840.89 is: 256,539.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,432.38 : 381,594.39 = 185,840.89 : x
  2. Step 2: Convert to fraction form
    276,432.38/381,594.39 = 185,840.89/x
  3. Step 3: Cross multiply
    276,432.38x = 381,594.39 × 185,840.89
  4. Step 4: Simplify right side
    276,432.38x = 70,915,841,056.61
  5. Step 5: Solve for x
    x = 70,915,841,056.61/276,432.38
  6. Step 6: Final answer
    x = 256,539.56

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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.