Home / 140,741.17-211,133.32-47,268.79

Finding the Fourth Proportional to 140,741.17, 211,133.32 and 47,268.79

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Solution

The fourth proportional to 140,741.17, 211,133.32 and 47,268.79 is: 70,910.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,741.17 : 211,133.32 = 47,268.79 : x
  2. Step 2: Convert to fraction form
    140,741.17/211,133.32 = 47,268.79/x
  3. Step 3: Cross multiply
    140,741.17x = 211,133.32 × 47,268.79
  4. Step 4: Simplify right side
    140,741.17x = 9,980,015,919.08
  5. Step 5: Solve for x
    x = 9,980,015,919.08/140,741.17
  6. Step 6: Final answer
    x = 70,910.42

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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.