Home / 264,012.48-396,012.18-77,025.60

Finding the Fourth Proportional to 264,012.48, 396,012.18 and 77,025.60

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Solution

The fourth proportional to 264,012.48, 396,012.18 and 77,025.60 is: 115,536.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,012.48 : 396,012.18 = 77,025.60 : x
  2. Step 2: Convert to fraction form
    264,012.48/396,012.18 = 77,025.60/x
  3. Step 3: Cross multiply
    264,012.48x = 396,012.18 × 77,025.60
  4. Step 4: Simplify right side
    264,012.48x = 30,503,075,771.81
  5. Step 5: Solve for x
    x = 30,503,075,771.81/264,012.48
  6. Step 6: Final answer
    x = 115,536.49

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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.