Home / 141,454.63-195,203.49-77,792.43

Finding the Fourth Proportional to 141,454.63, 195,203.49 and 77,792.43

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Solution

The fourth proportional to 141,454.63, 195,203.49 and 77,792.43 is: 107,351.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,454.63 : 195,203.49 = 77,792.43 : x
  2. Step 2: Convert to fraction form
    141,454.63/195,203.49 = 77,792.43/x
  3. Step 3: Cross multiply
    141,454.63x = 195,203.49 × 77,792.43
  4. Step 4: Simplify right side
    141,454.63x = 15,185,353,281.22
  5. Step 5: Solve for x
    x = 15,185,353,281.22/141,454.63
  6. Step 6: Final answer
    x = 107,351.41

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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.