Home / 141,765.36-195,636.40-77,234.28

Finding the Fourth Proportional to 141,765.36, 195,636.40 and 77,234.28

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Solution

The fourth proportional to 141,765.36, 195,636.40 and 77,234.28 is: 106,583.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,765.36 : 195,636.40 = 77,234.28 : x
  2. Step 2: Convert to fraction form
    141,765.36/195,636.40 = 77,234.28/x
  3. Step 3: Cross multiply
    141,765.36x = 195,636.40 × 77,234.28
  4. Step 4: Simplify right side
    141,765.36x = 15,109,836,495.79
  5. Step 5: Solve for x
    x = 15,109,836,495.79/141,765.36
  6. Step 6: Final answer
    x = 106,583.42

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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.