Home / 120,406.27-180,645.05-41,528.47

Finding the Fourth Proportional to 120,406.27, 180,645.05 and 41,528.47

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Solution

The fourth proportional to 120,406.27, 180,645.05 and 41,528.47 is: 62,305.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,406.27 : 180,645.05 = 41,528.47 : x
  2. Step 2: Convert to fraction form
    120,406.27/180,645.05 = 41,528.47/x
  3. Step 3: Cross multiply
    120,406.27x = 180,645.05 × 41,528.47
  4. Step 4: Simplify right side
    120,406.27x = 7,501,912,539.57
  5. Step 5: Solve for x
    x = 7,501,912,539.57/120,406.27
  6. Step 6: Final answer
    x = 62,305.00

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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.