Home / 213,187.89-294,191.58-117,692.55

Finding the Fourth Proportional to 213,187.89, 294,191.58 and 117,692.55

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Solution

The fourth proportional to 213,187.89, 294,191.58 and 117,692.55 is: 162,411.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,187.89 : 294,191.58 = 117,692.55 : x
  2. Step 2: Convert to fraction form
    213,187.89/294,191.58 = 117,692.55/x
  3. Step 3: Cross multiply
    213,187.89x = 294,191.58 × 117,692.55
  4. Step 4: Simplify right side
    213,187.89x = 34,624,157,238.73
  5. Step 5: Solve for x
    x = 34,624,157,238.73/213,187.89
  6. Step 6: Final answer
    x = 162,411.46

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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.