Home / 172,916.37-238,661.69-109,213.65

Finding the Fourth Proportional to 172,916.37, 238,661.69 and 109,213.65

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Solution

The fourth proportional to 172,916.37, 238,661.69 and 109,213.65 is: 150,738.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,916.37 : 238,661.69 = 109,213.65 : x
  2. Step 2: Convert to fraction form
    172,916.37/238,661.69 = 109,213.65/x
  3. Step 3: Cross multiply
    172,916.37x = 238,661.69 × 109,213.65
  4. Step 4: Simplify right side
    172,916.37x = 26,065,113,734.00
  5. Step 5: Solve for x
    x = 26,065,113,734.00/172,916.37
  6. Step 6: Final answer
    x = 150,738.27

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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.