Home / 141,069.48-194,675.86-80,641.42

Finding the Fourth Proportional to 141,069.48, 194,675.86 and 80,641.42

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Solution

The fourth proportional to 141,069.48, 194,675.86 and 80,641.42 is: 111,285.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,069.48 : 194,675.86 = 80,641.42 : x
  2. Step 2: Convert to fraction form
    141,069.48/194,675.86 = 80,641.42/x
  3. Step 3: Cross multiply
    141,069.48x = 194,675.86 × 80,641.42
  4. Step 4: Simplify right side
    141,069.48x = 15,698,938,045.68
  5. Step 5: Solve for x
    x = 15,698,938,045.68/141,069.48
  6. Step 6: Final answer
    x = 111,285.15

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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.