Home / 180,483.72-270,670.87-75,278.08

Finding the Fourth Proportional to 180,483.72, 270,670.87 and 75,278.08

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Solution

The fourth proportional to 180,483.72, 270,670.87 and 75,278.08 is: 112,894.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,483.72 : 270,670.87 = 75,278.08 : x
  2. Step 2: Convert to fraction form
    180,483.72/270,670.87 = 75,278.08/x
  3. Step 3: Cross multiply
    180,483.72x = 270,670.87 × 75,278.08
  4. Step 4: Simplify right side
    180,483.72x = 20,375,583,405.53
  5. Step 5: Solve for x
    x = 20,375,583,405.53/180,483.72
  6. Step 6: Final answer
    x = 112,894.30

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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.