Home / 321,328.16-481,823.75-110,916.08

Finding the Fourth Proportional to 321,328.16, 481,823.75 and 110,916.08

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Solution

The fourth proportional to 321,328.16, 481,823.75 and 110,916.08 is: 166,315.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,328.16 : 481,823.75 = 110,916.08 : x
  2. Step 2: Convert to fraction form
    321,328.16/481,823.75 = 110,916.08/x
  3. Step 3: Cross multiply
    321,328.16x = 481,823.75 × 110,916.08
  4. Step 4: Simplify right side
    321,328.16x = 53,441,999,469.07
  5. Step 5: Solve for x
    x = 53,441,999,469.07/321,328.16
  6. Step 6: Final answer
    x = 166,315.96

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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.