Home / 190,208.49-262,484.50-105,323.73

Finding the Fourth Proportional to 190,208.49, 262,484.50 and 105,323.73

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Solution

The fourth proportional to 190,208.49, 262,484.50 and 105,323.73 is: 145,344.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,208.49 : 262,484.50 = 105,323.73 : x
  2. Step 2: Convert to fraction form
    190,208.49/262,484.50 = 105,323.73/x
  3. Step 3: Cross multiply
    190,208.49x = 262,484.50 × 105,323.73
  4. Step 4: Simplify right side
    190,208.49x = 27,645,846,607.19
  5. Step 5: Solve for x
    x = 27,645,846,607.19/190,208.49
  6. Step 6: Final answer
    x = 145,344.97

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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.