Home / 190,259.46-285,421.97-63,911.85

Finding the Fourth Proportional to 190,259.46, 285,421.97 and 63,911.85

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Solution

The fourth proportional to 190,259.46, 285,421.97 and 63,911.85 is: 95,878.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,259.46 : 285,421.97 = 63,911.85 : x
  2. Step 2: Convert to fraction form
    190,259.46/285,421.97 = 63,911.85/x
  3. Step 3: Cross multiply
    190,259.46x = 285,421.97 × 63,911.85
  4. Step 4: Simplify right side
    190,259.46x = 18,241,845,813.79
  5. Step 5: Solve for x
    x = 18,241,845,813.79/190,259.46
  6. Step 6: Final answer
    x = 95,878.78

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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.