Home / 141,703.06-195,550.38-77,172.40

Finding the Fourth Proportional to 141,703.06, 195,550.38 and 77,172.40

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Solution

The fourth proportional to 141,703.06, 195,550.38 and 77,172.40 is: 106,497.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,703.06 : 195,550.38 = 77,172.40 : x
  2. Step 2: Convert to fraction form
    141,703.06/195,550.38 = 77,172.40/x
  3. Step 3: Cross multiply
    141,703.06x = 195,550.38 × 77,172.40
  4. Step 4: Simplify right side
    141,703.06x = 15,091,091,072.93
  5. Step 5: Solve for x
    x = 15,091,091,072.93/141,703.06
  6. Step 6: Final answer
    x = 106,497.99

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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.