Home / 213,535.86-294,692.19-122,889.84

Finding the Fourth Proportional to 213,535.86, 294,692.19 and 122,889.84

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Solution

The fourth proportional to 213,535.86, 294,692.19 and 122,889.84 is: 169,595.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,535.86 : 294,692.19 = 122,889.84 : x
  2. Step 2: Convert to fraction form
    213,535.86/294,692.19 = 122,889.84/x
  3. Step 3: Cross multiply
    213,535.86x = 294,692.19 × 122,889.84
  4. Step 4: Simplify right side
    213,535.86x = 36,214,676,078.35
  5. Step 5: Solve for x
    x = 36,214,676,078.35/213,535.86
  6. Step 6: Final answer
    x = 169,595.29

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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.