Home / 211,039.86-316,576.18-61,282.62

Finding the Fourth Proportional to 211,039.86, 316,576.18 and 61,282.62

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Solution

The fourth proportional to 211,039.86, 316,576.18 and 61,282.62 is: 91,928.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,039.86 : 316,576.18 = 61,282.62 : x
  2. Step 2: Convert to fraction form
    211,039.86/316,576.18 = 61,282.62/x
  3. Step 3: Cross multiply
    211,039.86x = 316,576.18 × 61,282.62
  4. Step 4: Simplify right side
    211,039.86x = 19,400,617,739.99
  5. Step 5: Solve for x
    x = 19,400,617,739.99/211,039.86
  6. Step 6: Final answer
    x = 91,928.69

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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.