Home / 351,531.63-485,111.24-190,383

Finding the Fourth Proportional to 351,531.63, 485,111.24 and 190,383

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Solution

The fourth proportional to 351,531.63, 485,111.24 and 190,383 is: 262,727.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,531.63 : 485,111.24 = 190,383 : x
  2. Step 2: Convert to fraction form
    351,531.63/485,111.24 = 190,383/x
  3. Step 3: Cross multiply
    351,531.63x = 485,111.24 × 190,383
  4. Step 4: Simplify right side
    351,531.63x = 92,356,933,204.92
  5. Step 5: Solve for x
    x = 92,356,933,204.92/351,531.63
  6. Step 6: Final answer
    x = 262,727.24

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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.