Home / 179,068.80-268,603.20-123,081.60

Finding the Fourth Proportional to 179,068.80, 268,603.20 and 123,081.60

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Solution

The fourth proportional to 179,068.80, 268,603.20 and 123,081.60 is: 184,622.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,068.80 : 268,603.20 = 123,081.60 : x
  2. Step 2: Convert to fraction form
    179,068.80/268,603.20 = 123,081.60/x
  3. Step 3: Cross multiply
    179,068.80x = 268,603.20 × 123,081.60
  4. Step 4: Simplify right side
    179,068.80x = 33,060,111,621.12
  5. Step 5: Solve for x
    x = 33,060,111,621.12/179,068.80
  6. Step 6: Final answer
    x = 184,622.40

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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.