Home / 179,128.40-268,692.60-151,480.40

Finding the Fourth Proportional to 179,128.40, 268,692.60 and 151,480.40

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Solution

The fourth proportional to 179,128.40, 268,692.60 and 151,480.40 is: 227,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,128.40 : 268,692.60 = 151,480.40 : x
  2. Step 2: Convert to fraction form
    179,128.40/268,692.60 = 151,480.40/x
  3. Step 3: Cross multiply
    179,128.40x = 268,692.60 × 151,480.40
  4. Step 4: Simplify right side
    179,128.40x = 40,701,662,525.04
  5. Step 5: Solve for x
    x = 40,701,662,525.04/179,128.40
  6. Step 6: Final answer
    x = 227,220.60

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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.