Home / 273,969.07-378,076.02-153,110.29

Finding the Fourth Proportional to 273,969.07, 378,076.02 and 153,110.29

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Solution

The fourth proportional to 273,969.07, 378,076.02 and 153,110.29 is: 211,291.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,969.07 : 378,076.02 = 153,110.29 : x
  2. Step 2: Convert to fraction form
    273,969.07/378,076.02 = 153,110.29/x
  3. Step 3: Cross multiply
    273,969.07x = 378,076.02 × 153,110.29
  4. Step 4: Simplify right side
    273,969.07x = 57,887,329,064.25
  5. Step 5: Solve for x
    x = 57,887,329,064.25/273,969.07
  6. Step 6: Final answer
    x = 211,291.48

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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.