Home / 190,599.19-263,058.38-105,743.59

Finding the Fourth Proportional to 190,599.19, 263,058.38 and 105,743.59

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Solution

The fourth proportional to 190,599.19, 263,058.38 and 105,743.59 is: 145,943.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,599.19 : 263,058.38 = 105,743.59 : x
  2. Step 2: Convert to fraction form
    190,599.19/263,058.38 = 105,743.59/x
  3. Step 3: Cross multiply
    190,599.19x = 263,058.38 × 105,743.59
  4. Step 4: Simplify right side
    190,599.19x = 27,816,737,480.78
  5. Step 5: Solve for x
    x = 27,816,737,480.78/190,599.19
  6. Step 6: Final answer
    x = 145,943.63

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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.