Home / 211,473.90-317,205.57-61,715.49

Finding the Fourth Proportional to 211,473.90, 317,205.57 and 61,715.49

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Solution

The fourth proportional to 211,473.90, 317,205.57 and 61,715.49 is: 92,571.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,473.90 : 317,205.57 = 61,715.49 : x
  2. Step 2: Convert to fraction form
    211,473.90/317,205.57 = 61,715.49/x
  3. Step 3: Cross multiply
    211,473.90x = 317,205.57 × 61,715.49
  4. Step 4: Simplify right side
    211,473.90x = 19,576,496,225.19
  5. Step 5: Solve for x
    x = 19,576,496,225.19/211,473.90
  6. Step 6: Final answer
    x = 92,571.69

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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.