Home / 157,971.06-236,956.91-45,660.33

Finding the Fourth Proportional to 157,971.06, 236,956.91 and 45,660.33

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Solution

The fourth proportional to 157,971.06, 236,956.91 and 45,660.33 is: 68,490.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,971.06 : 236,956.91 = 45,660.33 : x
  2. Step 2: Convert to fraction form
    157,971.06/236,956.91 = 45,660.33/x
  3. Step 3: Cross multiply
    157,971.06x = 236,956.91 × 45,660.33
  4. Step 4: Simplify right side
    157,971.06x = 10,819,530,478.08
  5. Step 5: Solve for x
    x = 10,819,530,478.08/157,971.06
  6. Step 6: Final answer
    x = 68,490.59

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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.