Home / 185,997.82-256,697.06-105,416.70

Finding the Fourth Proportional to 185,997.82, 256,697.06 and 105,416.70

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Solution

The fourth proportional to 185,997.82, 256,697.06 and 105,416.70 is: 145,486.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,997.82 : 256,697.06 = 105,416.70 : x
  2. Step 2: Convert to fraction form
    185,997.82/256,697.06 = 105,416.70/x
  3. Step 3: Cross multiply
    185,997.82x = 256,697.06 × 105,416.70
  4. Step 4: Simplify right side
    185,997.82x = 27,060,156,964.90
  5. Step 5: Solve for x
    x = 27,060,156,964.90/185,997.82
  6. Step 6: Final answer
    x = 145,486.42

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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.