Home / 141,033.19-194,622.42-77,370.43

Finding the Fourth Proportional to 141,033.19, 194,622.42 and 77,370.43

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Solution

The fourth proportional to 141,033.19, 194,622.42 and 77,370.43 is: 106,769.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,033.19 : 194,622.42 = 77,370.43 : x
  2. Step 2: Convert to fraction form
    141,033.19/194,622.42 = 77,370.43/x
  3. Step 3: Cross multiply
    141,033.19x = 194,622.42 × 77,370.43
  4. Step 4: Simplify right side
    141,033.19x = 15,058,020,323.04
  5. Step 5: Solve for x
    x = 15,058,020,323.04/141,033.19
  6. Step 6: Final answer
    x = 106,769.34

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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.