Home / 190,007.46-262,199.43-105,119.46

Finding the Fourth Proportional to 190,007.46, 262,199.43 and 105,119.46

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Solution

The fourth proportional to 190,007.46, 262,199.43 and 105,119.46 is: 145,058.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,007.46 : 262,199.43 = 105,119.46 : x
  2. Step 2: Convert to fraction form
    190,007.46/262,199.43 = 105,119.46/x
  3. Step 3: Cross multiply
    190,007.46x = 262,199.43 × 105,119.46
  4. Step 4: Simplify right side
    190,007.46x = 27,562,262,493.91
  5. Step 5: Solve for x
    x = 27,562,262,493.91/190,007.46
  6. Step 6: Final answer
    x = 145,058.84

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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.