Home / 120,162.48-180,255.93-41,266.45

Finding the Fourth Proportional to 120,162.48, 180,255.93 and 41,266.45

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Solution

The fourth proportional to 120,162.48, 180,255.93 and 41,266.45 is: 61,903.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,162.48 : 180,255.93 = 41,266.45 : x
  2. Step 2: Convert to fraction form
    120,162.48/180,255.93 = 41,266.45/x
  3. Step 3: Cross multiply
    120,162.48x = 180,255.93 × 41,266.45
  4. Step 4: Simplify right side
    120,162.48x = 7,438,522,322.55
  5. Step 5: Solve for x
    x = 7,438,522,322.55/120,162.48
  6. Step 6: Final answer
    x = 61,903.87

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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.