Home / 141,084.03-194,698.35-77,427.75

Finding the Fourth Proportional to 141,084.03, 194,698.35 and 77,427.75

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Solution

The fourth proportional to 141,084.03, 194,698.35 and 77,427.75 is: 106,851.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,084.03 : 194,698.35 = 77,427.75 : x
  2. Step 2: Convert to fraction form
    141,084.03/194,698.35 = 77,427.75/x
  3. Step 3: Cross multiply
    141,084.03x = 194,698.35 × 77,427.75
  4. Step 4: Simplify right side
    141,084.03x = 15,075,055,169.21
  5. Step 5: Solve for x
    x = 15,075,055,169.21/141,084.03
  6. Step 6: Final answer
    x = 106,851.61

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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.