Home / 228,723.82-315,244.80-152,105.98

Finding the Fourth Proportional to 228,723.82, 315,244.80 and 152,105.98

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Solution

The fourth proportional to 228,723.82, 315,244.80 and 152,105.98 is: 209,644.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,723.82 : 315,244.80 = 152,105.98 : x
  2. Step 2: Convert to fraction form
    228,723.82/315,244.80 = 152,105.98/x
  3. Step 3: Cross multiply
    228,723.82x = 315,244.80 × 152,105.98
  4. Step 4: Simplify right side
    228,723.82x = 47,950,619,243.90
  5. Step 5: Solve for x
    x = 47,950,619,243.90/228,723.82
  6. Step 6: Final answer
    x = 209,644.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.