Home / 213,139.63-294,142.49-122,524.93

Finding the Fourth Proportional to 213,139.63, 294,142.49 and 122,524.93

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Solution

The fourth proportional to 213,139.63, 294,142.49 and 122,524.93 is: 169,090.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,139.63 : 294,142.49 = 122,524.93 : x
  2. Step 2: Convert to fraction form
    213,139.63/294,142.49 = 122,524.93/x
  3. Step 3: Cross multiply
    213,139.63x = 294,142.49 × 122,524.93
  4. Step 4: Simplify right side
    213,139.63x = 36,039,787,997.28
  5. Step 5: Solve for x
    x = 36,039,787,997.28/213,139.63
  6. Step 6: Final answer
    x = 169,090.04

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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.