Home / 190,152.62-285,238.14-156,811.80

Finding the Fourth Proportional to 190,152.62, 285,238.14 and 156,811.80

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Solution

The fourth proportional to 190,152.62, 285,238.14 and 156,811.80 is: 235,225.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,152.62 : 285,238.14 = 156,811.80 : x
  2. Step 2: Convert to fraction form
    190,152.62/285,238.14 = 156,811.80/x
  3. Step 3: Cross multiply
    190,152.62x = 285,238.14 × 156,811.80
  4. Step 4: Simplify right side
    190,152.62x = 44,728,705,377.99
  5. Step 5: Solve for x
    x = 44,728,705,377.99/190,152.62
  6. Step 6: Final answer
    x = 235,225.30

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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.