Home / 213,026.45-294,002.54-122,382.25

Finding the Fourth Proportional to 213,026.45, 294,002.54 and 122,382.25

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Solution

The fourth proportional to 213,026.45, 294,002.54 and 122,382.25 is: 168,902.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,026.45 : 294,002.54 = 122,382.25 : x
  2. Step 2: Convert to fraction form
    213,026.45/294,002.54 = 122,382.25/x
  3. Step 3: Cross multiply
    213,026.45x = 294,002.54 × 122,382.25
  4. Step 4: Simplify right side
    213,026.45x = 35,980,692,350.92
  5. Step 5: Solve for x
    x = 35,980,692,350.92/213,026.45
  6. Step 6: Final answer
    x = 168,902.46

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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.