Home / 190,154.62-285,241.14-156,813.80

Finding the Fourth Proportional to 190,154.62, 285,241.14 and 156,813.80

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Solution

The fourth proportional to 190,154.62, 285,241.14 and 156,813.80 is: 235,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,154.62 : 285,241.14 = 156,813.80 : x
  2. Step 2: Convert to fraction form
    190,154.62/285,241.14 = 156,813.80/x
  3. Step 3: Cross multiply
    190,154.62x = 285,241.14 × 156,813.80
  4. Step 4: Simplify right side
    190,154.62x = 44,729,747,079.73
  5. Step 5: Solve for x
    x = 44,729,747,079.73/190,154.62
  6. Step 6: Final answer
    x = 235,228.30

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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.