Home / 190,740.94-263,253.99-105,885.34

Finding the Fourth Proportional to 190,740.94, 263,253.99 and 105,885.34

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Solution

The fourth proportional to 190,740.94, 263,253.99 and 105,885.34 is: 146,139.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,740.94 : 263,253.99 = 105,885.34 : x
  2. Step 2: Convert to fraction form
    190,740.94/263,253.99 = 105,885.34/x
  3. Step 3: Cross multiply
    190,740.94x = 263,253.99 × 105,885.34
  4. Step 4: Simplify right side
    190,740.94x = 27,874,738,237.51
  5. Step 5: Solve for x
    x = 27,874,738,237.51/190,740.94
  6. Step 6: Final answer
    x = 146,139.25

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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.