Home / 190,839.93-263,367.33-105,957

Finding the Fourth Proportional to 190,839.93, 263,367.33 and 105,957

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Solution

The fourth proportional to 190,839.93, 263,367.33 and 105,957 is: 146,225.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,839.93 : 263,367.33 = 105,957 : x
  2. Step 2: Convert to fraction form
    190,839.93/263,367.33 = 105,957/x
  3. Step 3: Cross multiply
    190,839.93x = 263,367.33 × 105,957
  4. Step 4: Simplify right side
    190,839.93x = 27,905,612,184.81
  5. Step 5: Solve for x
    x = 27,905,612,184.81/190,839.93
  6. Step 6: Final answer
    x = 146,225.23

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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.