Home / 190,529.91-285,234.13-127,192.90

Finding the Fourth Proportional to 190,529.91, 285,234.13 and 127,192.90

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Solution

The fourth proportional to 190,529.91, 285,234.13 and 127,192.90 is: 190,415.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,529.91 : 285,234.13 = 127,192.90 : x
  2. Step 2: Convert to fraction form
    190,529.91/285,234.13 = 127,192.90/x
  3. Step 3: Cross multiply
    190,529.91x = 285,234.13 × 127,192.90
  4. Step 4: Simplify right side
    190,529.91x = 36,279,756,173.68
  5. Step 5: Solve for x
    x = 36,279,756,173.68/190,529.91
  6. Step 6: Final answer
    x = 190,415.02

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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.