Home / 120,269.12-180,237.44-104,436.56

Finding the Fourth Proportional to 120,269.12, 180,237.44 and 104,436.56

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Solution

The fourth proportional to 120,269.12, 180,237.44 and 104,436.56 is: 156,510.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,269.12 : 180,237.44 = 104,436.56 : x
  2. Step 2: Convert to fraction form
    120,269.12/180,237.44 = 104,436.56/x
  3. Step 3: Cross multiply
    120,269.12x = 180,237.44 × 104,436.56
  4. Step 4: Simplify right side
    120,269.12x = 18,823,378,216.81
  5. Step 5: Solve for x
    x = 18,823,378,216.81/120,269.12
  6. Step 6: Final answer
    x = 156,510.48

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1.5x scale

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.