Home / 190,399.39-285,658.77-114,580.65

Finding the Fourth Proportional to 190,399.39, 285,658.77 and 114,580.65

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Solution

The fourth proportional to 190,399.39, 285,658.77 and 114,580.65 is: 171,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,399.39 : 285,658.77 = 114,580.65 : x
  2. Step 2: Convert to fraction form
    190,399.39/285,658.77 = 114,580.65/x
  3. Step 3: Cross multiply
    190,399.39x = 285,658.77 × 114,580.65
  4. Step 4: Simplify right side
    190,399.39x = 32,730,969,045.70
  5. Step 5: Solve for x
    x = 32,730,969,045.70/190,399.39
  6. Step 6: Final answer
    x = 171,906.90

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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.