Home / 213,072.54-294,056.70-122,460.12

Finding the Fourth Proportional to 213,072.54, 294,056.70 and 122,460.12

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Solution

The fourth proportional to 213,072.54, 294,056.70 and 122,460.12 is: 169,004.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,072.54 : 294,056.70 = 122,460.12 : x
  2. Step 2: Convert to fraction form
    213,072.54/294,056.70 = 122,460.12/x
  3. Step 3: Cross multiply
    213,072.54x = 294,056.70 × 122,460.12
  4. Step 4: Simplify right side
    213,072.54x = 36,010,218,768.80
  5. Step 5: Solve for x
    x = 36,010,218,768.80/213,072.54
  6. Step 6: Final answer
    x = 169,004.50

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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.