Home / 141,185.12-211,816.56-47,756.48

Finding the Fourth Proportional to 141,185.12, 211,816.56 and 47,756.48

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Solution

The fourth proportional to 141,185.12, 211,816.56 and 47,756.48 is: 71,647.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,185.12 : 211,816.56 = 47,756.48 : x
  2. Step 2: Convert to fraction form
    141,185.12/211,816.56 = 47,756.48/x
  3. Step 3: Cross multiply
    141,185.12x = 211,816.56 × 47,756.48
  4. Step 4: Simplify right side
    141,185.12x = 10,115,613,311.31
  5. Step 5: Solve for x
    x = 10,115,613,311.31/141,185.12
  6. Step 6: Final answer
    x = 71,647.87

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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.