Home / 186,570.36-257,628.06-159,976.44

Finding the Fourth Proportional to 186,570.36, 257,628.06 and 159,976.44

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Solution

The fourth proportional to 186,570.36, 257,628.06 and 159,976.44 is: 220,905.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,570.36 : 257,628.06 = 159,976.44 : x
  2. Step 2: Convert to fraction form
    186,570.36/257,628.06 = 159,976.44/x
  3. Step 3: Cross multiply
    186,570.36x = 257,628.06 × 159,976.44
  4. Step 4: Simplify right side
    186,570.36x = 41,214,419,882.91
  5. Step 5: Solve for x
    x = 41,214,419,882.91/186,570.36
  6. Step 6: Final answer
    x = 220,905.51

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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.