Home / 273,972.07-378,244.96-172,084.74

Finding the Fourth Proportional to 273,972.07, 378,244.96 and 172,084.74

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Solution

The fourth proportional to 273,972.07, 378,244.96 and 172,084.74 is: 237,579.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,972.07 : 378,244.96 = 172,084.74 : x
  2. Step 2: Convert to fraction form
    273,972.07/378,244.96 = 172,084.74/x
  3. Step 3: Cross multiply
    273,972.07x = 378,244.96 × 172,084.74
  4. Step 4: Simplify right side
    273,972.07x = 65,090,183,749.28
  5. Step 5: Solve for x
    x = 65,090,183,749.28/273,972.07
  6. Step 6: Final answer
    x = 237,579.63

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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.