Home / 160,324.84-221,208.46-103,668.04

Finding the Fourth Proportional to 160,324.84, 221,208.46 and 103,668.04

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Solution

The fourth proportional to 160,324.84, 221,208.46 and 103,668.04 is: 143,036.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,324.84 : 221,208.46 = 103,668.04 : x
  2. Step 2: Convert to fraction form
    160,324.84/221,208.46 = 103,668.04/x
  3. Step 3: Cross multiply
    160,324.84x = 221,208.46 × 103,668.04
  4. Step 4: Simplify right side
    160,324.84x = 22,932,247,479.62
  5. Step 5: Solve for x
    x = 22,932,247,479.62/160,324.84
  6. Step 6: Final answer
    x = 143,036.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.