Home / 273,975.51-378,085.02-153,116.73

Finding the Fourth Proportional to 273,975.51, 378,085.02 and 153,116.73

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Solution

The fourth proportional to 273,975.51, 378,085.02 and 153,116.73 is: 211,300.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,975.51 : 378,085.02 = 153,116.73 : x
  2. Step 2: Convert to fraction form
    273,975.51/378,085.02 = 153,116.73/x
  3. Step 3: Cross multiply
    273,975.51x = 378,085.02 × 153,116.73
  4. Step 4: Simplify right side
    273,975.51x = 57,891,141,350.20
  5. Step 5: Solve for x
    x = 57,891,141,350.20/273,975.51
  6. Step 6: Final answer
    x = 211,300.42

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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.