Home / 157,893.30-236,855.90-51,272.81

Finding the Fourth Proportional to 157,893.30, 236,855.90 and 51,272.81

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Solution

The fourth proportional to 157,893.30, 236,855.90 and 51,272.81 is: 76,914.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,893.30 : 236,855.90 = 51,272.81 : x
  2. Step 2: Convert to fraction form
    157,893.30/236,855.90 = 51,272.81/x
  3. Step 3: Cross multiply
    157,893.30x = 236,855.90 × 51,272.81
  4. Step 4: Simplify right side
    157,893.30x = 12,144,266,117.44
  5. Step 5: Solve for x
    x = 12,144,266,117.44/157,893.30
  6. Step 6: Final answer
    x = 76,914.39

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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.