Home / 149,221.93-223,692.18-74,271.21

Finding the Fourth Proportional to 149,221.93, 223,692.18 and 74,271.21

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Solution

The fourth proportional to 149,221.93, 223,692.18 and 74,271.21 is: 111,336.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,221.93 : 223,692.18 = 74,271.21 : x
  2. Step 2: Convert to fraction form
    149,221.93/223,692.18 = 74,271.21/x
  3. Step 3: Cross multiply
    149,221.93x = 223,692.18 × 74,271.21
  4. Step 4: Simplify right side
    149,221.93x = 16,613,888,876.14
  5. Step 5: Solve for x
    x = 16,613,888,876.14/149,221.93
  6. Step 6: Final answer
    x = 111,336.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.