Home / 190,280.84-285,396.66-90,504.44

Finding the Fourth Proportional to 190,280.84, 285,396.66 and 90,504.44

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Solution

The fourth proportional to 190,280.84, 285,396.66 and 90,504.44 is: 135,744.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,280.84 : 285,396.66 = 90,504.44 : x
  2. Step 2: Convert to fraction form
    190,280.84/285,396.66 = 90,504.44/x
  3. Step 3: Cross multiply
    190,280.84x = 285,396.66 × 90,504.44
  4. Step 4: Simplify right side
    190,280.84x = 25,829,663,464.19
  5. Step 5: Solve for x
    x = 25,829,663,464.19/190,280.84
  6. Step 6: Final answer
    x = 135,744.95

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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.