Home / 213,578.28-294,716.07-122,916.60

Finding the Fourth Proportional to 213,578.28, 294,716.07 and 122,916.60

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Solution

The fourth proportional to 213,578.28, 294,716.07 and 122,916.60 is: 169,612.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,578.28 : 294,716.07 = 122,916.60 : x
  2. Step 2: Convert to fraction form
    213,578.28/294,716.07 = 122,916.60/x
  3. Step 3: Cross multiply
    213,578.28x = 294,716.07 × 122,916.60
  4. Step 4: Simplify right side
    213,578.28x = 36,225,497,289.76
  5. Step 5: Solve for x
    x = 36,225,497,289.76/213,578.28
  6. Step 6: Final answer
    x = 169,612.27

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1.5x scale

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.