Home / 190,225.70-285,385.93-57,108.41

Finding the Fourth Proportional to 190,225.70, 285,385.93 and 57,108.41

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Solution

The fourth proportional to 190,225.70, 285,385.93 and 57,108.41 is: 85,676.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,225.70 : 285,385.93 = 57,108.41 : x
  2. Step 2: Convert to fraction form
    190,225.70/285,385.93 = 57,108.41/x
  3. Step 3: Cross multiply
    190,225.70x = 285,385.93 × 57,108.41
  4. Step 4: Simplify right side
    190,225.70x = 16,297,936,698.67
  5. Step 5: Solve for x
    x = 16,297,936,698.67/190,225.70
  6. Step 6: Final answer
    x = 85,676.84

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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.