Home / 190,680.75-263,139.44-105,798.42

Finding the Fourth Proportional to 190,680.75, 263,139.44 and 105,798.42

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Solution

The fourth proportional to 190,680.75, 263,139.44 and 105,798.42 is: 146,001.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,680.75 : 263,139.44 = 105,798.42 : x
  2. Step 2: Convert to fraction form
    190,680.75/263,139.44 = 105,798.42/x
  3. Step 3: Cross multiply
    190,680.75x = 263,139.44 × 105,798.42
  4. Step 4: Simplify right side
    190,680.75x = 27,839,736,462.69
  5. Step 5: Solve for x
    x = 27,839,736,462.69/190,680.75
  6. Step 6: Final answer
    x = 146,001.82

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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.