Home / 141,495.52-195,291.54-81,106.64

Finding the Fourth Proportional to 141,495.52, 195,291.54 and 81,106.64

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Solution

The fourth proportional to 141,495.52, 195,291.54 and 81,106.64 is: 111,943.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,495.52 : 195,291.54 = 81,106.64 : x
  2. Step 2: Convert to fraction form
    141,495.52/195,291.54 = 81,106.64/x
  3. Step 3: Cross multiply
    141,495.52x = 195,291.54 × 81,106.64
  4. Step 4: Simplify right side
    141,495.52x = 15,839,440,629.83
  5. Step 5: Solve for x
    x = 15,839,440,629.83/141,495.52
  6. Step 6: Final answer
    x = 111,943.05

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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.