Home / 195,744.47-270,114.58-115,156.43

Finding the Fourth Proportional to 195,744.47, 270,114.58 and 115,156.43

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Solution

The fourth proportional to 195,744.47, 270,114.58 and 115,156.43 is: 158,908.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,744.47 : 270,114.58 = 115,156.43 : x
  2. Step 2: Convert to fraction form
    195,744.47/270,114.58 = 115,156.43/x
  3. Step 3: Cross multiply
    195,744.47x = 270,114.58 × 115,156.43
  4. Step 4: Simplify right side
    195,744.47x = 31,105,429,085.29
  5. Step 5: Solve for x
    x = 31,105,429,085.29/195,744.47
  6. Step 6: Final answer
    x = 158,908.34

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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.