Home / 190,266.23-262,743.89-142,436.54

Finding the Fourth Proportional to 190,266.23, 262,743.89 and 142,436.54

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Solution

The fourth proportional to 190,266.23, 262,743.89 and 142,436.54 is: 196,694.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,266.23 : 262,743.89 = 142,436.54 : x
  2. Step 2: Convert to fraction form
    190,266.23/262,743.89 = 142,436.54/x
  3. Step 3: Cross multiply
    190,266.23x = 262,743.89 × 142,436.54
  4. Step 4: Simplify right side
    190,266.23x = 37,424,330,597.74
  5. Step 5: Solve for x
    x = 37,424,330,597.74/190,266.23
  6. Step 6: Final answer
    x = 196,694.55

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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.