Home / 141,171.10-194,760.56-80,709.26

Finding the Fourth Proportional to 141,171.10, 194,760.56 and 80,709.26

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Solution

The fourth proportional to 141,171.10, 194,760.56 and 80,709.26 is: 111,347.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,171.10 : 194,760.56 = 80,709.26 : x
  2. Step 2: Convert to fraction form
    141,171.10/194,760.56 = 80,709.26/x
  3. Step 3: Cross multiply
    141,171.10x = 194,760.56 × 80,709.26
  4. Step 4: Simplify right side
    141,171.10x = 15,718,980,271.24
  5. Step 5: Solve for x
    x = 15,718,980,271.24/141,171.10
  6. Step 6: Final answer
    x = 111,347.01

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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.