Home / 190,616.94-263,082.92-105,761.34

Finding the Fourth Proportional to 190,616.94, 263,082.92 and 105,761.34

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Solution

The fourth proportional to 190,616.94, 263,082.92 and 105,761.34 is: 145,968.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,616.94 : 263,082.92 = 105,761.34 : x
  2. Step 2: Convert to fraction form
    190,616.94/263,082.92 = 105,761.34/x
  3. Step 3: Cross multiply
    190,616.94x = 263,082.92 × 105,761.34
  4. Step 4: Simplify right side
    190,616.94x = 27,824,001,621.51
  5. Step 5: Solve for x
    x = 27,824,001,621.51/190,616.94
  6. Step 6: Final answer
    x = 145,968.15

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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.