Home / 157,628.20-217,333.38-97,908.52

Finding the Fourth Proportional to 157,628.20, 217,333.38 and 97,908.52

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Solution

The fourth proportional to 157,628.20, 217,333.38 and 97,908.52 is: 134,993.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,628.20 : 217,333.38 = 97,908.52 : x
  2. Step 2: Convert to fraction form
    157,628.20/217,333.38 = 97,908.52/x
  3. Step 3: Cross multiply
    157,628.20x = 217,333.38 × 97,908.52
  4. Step 4: Simplify right side
    157,628.20x = 21,278,789,582.40
  5. Step 5: Solve for x
    x = 21,278,789,582.40/157,628.20
  6. Step 6: Final answer
    x = 134,993.55

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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.