Home / 140,968.14-194,535.96-77,307.30

Finding the Fourth Proportional to 140,968.14, 194,535.96 and 77,307.30

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Solution

The fourth proportional to 140,968.14, 194,535.96 and 77,307.30 is: 106,684.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,968.14 : 194,535.96 = 77,307.30 : x
  2. Step 2: Convert to fraction form
    140,968.14/194,535.96 = 77,307.30/x
  3. Step 3: Cross multiply
    140,968.14x = 194,535.96 × 77,307.30
  4. Step 4: Simplify right side
    140,968.14x = 15,039,049,820.51
  5. Step 5: Solve for x
    x = 15,039,049,820.51/140,968.14
  6. Step 6: Final answer
    x = 106,684.03

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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.