Home / 157,991.72-236,938.26-52,786.08

Finding the Fourth Proportional to 157,991.72, 236,938.26 and 52,786.08

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Solution

The fourth proportional to 157,991.72, 236,938.26 and 52,786.08 is: 79,162.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,991.72 : 236,938.26 = 52,786.08 : x
  2. Step 2: Convert to fraction form
    157,991.72/236,938.26 = 52,786.08/x
  3. Step 3: Cross multiply
    157,991.72x = 236,938.26 × 52,786.08
  4. Step 4: Simplify right side
    157,991.72x = 12,507,042,145.37
  5. Step 5: Solve for x
    x = 12,507,042,145.37/157,991.72
  6. Step 6: Final answer
    x = 79,162.65

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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.