Home / 141,817.08-195,729.18-107,770.08

Finding the Fourth Proportional to 141,817.08, 195,729.18 and 107,770.08

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Solution

The fourth proportional to 141,817.08, 195,729.18 and 107,770.08 is: 148,739.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,817.08 : 195,729.18 = 107,770.08 : x
  2. Step 2: Convert to fraction form
    141,817.08/195,729.18 = 107,770.08/x
  3. Step 3: Cross multiply
    141,817.08x = 195,729.18 × 107,770.08
  4. Step 4: Simplify right side
    141,817.08x = 21,093,749,386.93
  5. Step 5: Solve for x
    x = 21,093,749,386.93/141,817.08
  6. Step 6: Final answer
    x = 148,739.13

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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.