Home / 343,785.06-474,414.21-190,822.77

Finding the Fourth Proportional to 343,785.06, 474,414.21 and 190,822.77

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Solution

The fourth proportional to 343,785.06, 474,414.21 and 190,822.77 is: 263,330.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,785.06 : 474,414.21 = 190,822.77 : x
  2. Step 2: Convert to fraction form
    343,785.06/474,414.21 = 190,822.77/x
  3. Step 3: Cross multiply
    343,785.06x = 474,414.21 × 190,822.77
  4. Step 4: Simplify right side
    343,785.06x = 90,529,033,679.56
  5. Step 5: Solve for x
    x = 90,529,033,679.56/343,785.06
  6. Step 6: Final answer
    x = 263,330.33

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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.