Home / 141,047.11-194,645.01-80,619.05

Finding the Fourth Proportional to 141,047.11, 194,645.01 and 80,619.05

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Solution

The fourth proportional to 141,047.11, 194,645.01 and 80,619.05 is: 111,254.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,047.11 : 194,645.01 = 80,619.05 : x
  2. Step 2: Convert to fraction form
    141,047.11/194,645.01 = 80,619.05/x
  3. Step 3: Cross multiply
    141,047.11x = 194,645.01 × 80,619.05
  4. Step 4: Simplify right side
    141,047.11x = 15,692,096,280.05
  5. Step 5: Solve for x
    x = 15,692,096,280.05/141,047.11
  6. Step 6: Final answer
    x = 111,254.29

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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.