Home / 120,262.82-180,395.44-53,706.32

Finding the Fourth Proportional to 120,262.82, 180,395.44 and 53,706.32

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Solution

The fourth proportional to 120,262.82, 180,395.44 and 53,706.32 is: 80,560.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,262.82 : 180,395.44 = 53,706.32 : x
  2. Step 2: Convert to fraction form
    120,262.82/180,395.44 = 53,706.32/x
  3. Step 3: Cross multiply
    120,262.82x = 180,395.44 × 53,706.32
  4. Step 4: Simplify right side
    120,262.82x = 9,688,375,227.18
  5. Step 5: Solve for x
    x = 9,688,375,227.18/120,262.82
  6. Step 6: Final answer
    x = 80,560.02

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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.