Home / 273,936.96-378,032.22-153,078.36

Finding the Fourth Proportional to 273,936.96, 378,032.22 and 153,078.36

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Solution

The fourth proportional to 273,936.96, 378,032.22 and 153,078.36 is: 211,247.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,936.96 : 378,032.22 = 153,078.36 : x
  2. Step 2: Convert to fraction form
    273,936.96/378,032.22 = 153,078.36/x
  3. Step 3: Cross multiply
    273,936.96x = 378,032.22 × 153,078.36
  4. Step 4: Simplify right side
    273,936.96x = 57,868,552,264.76
  5. Step 5: Solve for x
    x = 57,868,552,264.76/273,936.96
  6. Step 6: Final answer
    x = 211,247.70

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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.