Home / 274,362.15-378,634.49-153,496.24

Finding the Fourth Proportional to 274,362.15, 378,634.49 and 153,496.24

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Solution

The fourth proportional to 274,362.15, 378,634.49 and 153,496.24 is: 211,833.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,362.15 : 378,634.49 = 153,496.24 : x
  2. Step 2: Convert to fraction form
    274,362.15/378,634.49 = 153,496.24/x
  3. Step 3: Cross multiply
    274,362.15x = 378,634.49 × 153,496.24
  4. Step 4: Simplify right side
    274,362.15x = 58,118,970,549.32
  5. Step 5: Solve for x
    x = 58,118,970,549.32/274,362.15
  6. Step 6: Final answer
    x = 211,833.05

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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.