Home / 144,090.19-215,692.42-122,832.55

Finding the Fourth Proportional to 144,090.19, 215,692.42 and 122,832.55

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Solution

The fourth proportional to 144,090.19, 215,692.42 and 122,832.55 is: 183,871.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,090.19 : 215,692.42 = 122,832.55 : x
  2. Step 2: Convert to fraction form
    144,090.19/215,692.42 = 122,832.55/x
  3. Step 3: Cross multiply
    144,090.19x = 215,692.42 × 122,832.55
  4. Step 4: Simplify right side
    144,090.19x = 26,494,050,157.12
  5. Step 5: Solve for x
    x = 26,494,050,157.12/144,090.19
  6. Step 6: Final answer
    x = 183,871.30

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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.