Home / 180,580.08-270,823.94-74,039.16

Finding the Fourth Proportional to 180,580.08, 270,823.94 and 74,039.16

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Solution

The fourth proportional to 180,580.08, 270,823.94 and 74,039.16 is: 111,039.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,580.08 : 270,823.94 = 74,039.16 : x
  2. Step 2: Convert to fraction form
    180,580.08/270,823.94 = 74,039.16/x
  3. Step 3: Cross multiply
    180,580.08x = 270,823.94 × 74,039.16
  4. Step 4: Simplify right side
    180,580.08x = 20,051,577,025.49
  5. Step 5: Solve for x
    x = 20,051,577,025.49/180,580.08
  6. Step 6: Final answer
    x = 111,039.81

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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.