Home / 190,370.35-285,354.57-63,890.65

Finding the Fourth Proportional to 190,370.35, 285,354.57 and 63,890.65

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Solution

The fourth proportional to 190,370.35, 285,354.57 and 63,890.65 is: 95,768.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,370.35 : 285,354.57 = 63,890.65 : x
  2. Step 2: Convert to fraction form
    190,370.35/285,354.57 = 63,890.65/x
  3. Step 3: Cross multiply
    190,370.35x = 285,354.57 × 63,890.65
  4. Step 4: Simplify right side
    190,370.35x = 18,231,488,957.77
  5. Step 5: Solve for x
    x = 18,231,488,957.77/190,370.35
  6. Step 6: Final answer
    x = 95,768.53

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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.