Home / 190,371.96-262,714.86-105,490.44

Finding the Fourth Proportional to 190,371.96, 262,714.86 and 105,490.44

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Solution

The fourth proportional to 190,371.96, 262,714.86 and 105,490.44 is: 145,577.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,371.96 : 262,714.86 = 105,490.44 : x
  2. Step 2: Convert to fraction form
    190,371.96/262,714.86 = 105,490.44/x
  3. Step 3: Cross multiply
    190,371.96x = 262,714.86 × 105,490.44
  4. Step 4: Simplify right side
    190,371.96x = 27,713,906,175.94
  5. Step 5: Solve for x
    x = 27,713,906,175.94/190,371.96
  6. Step 6: Final answer
    x = 145,577.67

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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.