Home / 157,855.40-236,772.30-51,237.80

Finding the Fourth Proportional to 157,855.40, 236,772.30 and 51,237.80

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Solution

The fourth proportional to 157,855.40, 236,772.30 and 51,237.80 is: 76,853.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,855.40 : 236,772.30 = 51,237.80 : x
  2. Step 2: Convert to fraction form
    157,855.40/236,772.30 = 51,237.80/x
  3. Step 3: Cross multiply
    157,855.40x = 236,772.30 × 51,237.80
  4. Step 4: Simplify right side
    157,855.40x = 12,131,691,752.94
  5. Step 5: Solve for x
    x = 12,131,691,752.94/157,855.40
  6. Step 6: Final answer
    x = 76,853.19

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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.