Home / 213,184.08-294,178.14-122,540.22

Finding the Fourth Proportional to 213,184.08, 294,178.14 and 122,540.22

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Solution

The fourth proportional to 213,184.08, 294,178.14 and 122,540.22 is: 169,096.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,184.08 : 294,178.14 = 122,540.22 : x
  2. Step 2: Convert to fraction form
    213,184.08/294,178.14 = 122,540.22/x
  3. Step 3: Cross multiply
    213,184.08x = 294,178.14 × 122,540.22
  4. Step 4: Simplify right side
    213,184.08x = 36,048,653,994.79
  5. Step 5: Solve for x
    x = 36,048,653,994.79/213,184.08
  6. Step 6: Final answer
    x = 169,096.37

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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.