Home / 274,150.08-378,301.32-153,274.59

Finding the Fourth Proportional to 274,150.08, 378,301.32 and 153,274.59

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Solution

The fourth proportional to 274,150.08, 378,301.32 and 153,274.59 is: 211,504.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,150.08 : 378,301.32 = 153,274.59 : x
  2. Step 2: Convert to fraction form
    274,150.08/378,301.32 = 153,274.59/x
  3. Step 3: Cross multiply
    274,150.08x = 378,301.32 × 153,274.59
  4. Step 4: Simplify right side
    274,150.08x = 57,983,979,719.46
  5. Step 5: Solve for x
    x = 57,983,979,719.46/274,150.08
  6. Step 6: Final answer
    x = 211,504.52

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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.