Home / 141,057.86-211,576.46-66,195.02

Finding the Fourth Proportional to 141,057.86, 211,576.46 and 66,195.02

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Solution

The fourth proportional to 141,057.86, 211,576.46 and 66,195.02 is: 99,287.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,057.86 : 211,576.46 = 66,195.02 : x
  2. Step 2: Convert to fraction form
    141,057.86/211,576.46 = 66,195.02/x
  3. Step 3: Cross multiply
    141,057.86x = 211,576.46 × 66,195.02
  4. Step 4: Simplify right side
    141,057.86x = 14,005,308,199.20
  5. Step 5: Solve for x
    x = 14,005,308,199.20/141,057.86
  6. Step 6: Final answer
    x = 99,287.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.