Home / 157,925.57-217,936.94-89,942.54

Finding the Fourth Proportional to 157,925.57, 217,936.94 and 89,942.54

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Solution

The fourth proportional to 157,925.57, 217,936.94 and 89,942.54 is: 124,120.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,925.57 : 217,936.94 = 89,942.54 : x
  2. Step 2: Convert to fraction form
    157,925.57/217,936.94 = 89,942.54/x
  3. Step 3: Cross multiply
    157,925.57x = 217,936.94 × 89,942.54
  4. Step 4: Simplify right side
    157,925.57x = 19,601,802,038.56
  5. Step 5: Solve for x
    x = 19,601,802,038.56/157,925.57
  6. Step 6: Final answer
    x = 124,120.51

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1.5x scale

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.