Home / 149,118.12-223,692.71-47,890.60

Finding the Fourth Proportional to 149,118.12, 223,692.71 and 47,890.60

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Solution

The fourth proportional to 149,118.12, 223,692.71 and 47,890.60 is: 71,840.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,118.12 : 223,692.71 = 47,890.60 : x
  2. Step 2: Convert to fraction form
    149,118.12/223,692.71 = 47,890.60/x
  3. Step 3: Cross multiply
    149,118.12x = 223,692.71 × 47,890.60
  4. Step 4: Simplify right side
    149,118.12x = 10,712,778,097.53
  5. Step 5: Solve for x
    x = 10,712,778,097.53/149,118.12
  6. Step 6: Final answer
    x = 71,840.89

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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.