Home / 141,069.51-194,675.94-80,641.48

Finding the Fourth Proportional to 141,069.51, 194,675.94 and 80,641.48

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Solution

The fourth proportional to 141,069.51, 194,675.94 and 80,641.48 is: 111,285.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,069.51 : 194,675.94 = 80,641.48 : x
  2. Step 2: Convert to fraction form
    141,069.51/194,675.94 = 80,641.48/x
  3. Step 3: Cross multiply
    141,069.51x = 194,675.94 × 80,641.48
  4. Step 4: Simplify right side
    141,069.51x = 15,698,955,921.99
  5. Step 5: Solve for x
    x = 15,698,955,921.99/141,069.51
  6. Step 6: Final answer
    x = 111,285.25

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1.5x scale

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.