Home / 150,183.06-207,298.74-86,563.20

Finding the Fourth Proportional to 150,183.06, 207,298.74 and 86,563.20

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Solution

The fourth proportional to 150,183.06, 207,298.74 and 86,563.20 is: 119,483.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,183.06 : 207,298.74 = 86,563.20 : x
  2. Step 2: Convert to fraction form
    150,183.06/207,298.74 = 86,563.20/x
  3. Step 3: Cross multiply
    150,183.06x = 207,298.74 × 86,563.20
  4. Step 4: Simplify right side
    150,183.06x = 17,944,442,290.37
  5. Step 5: Solve for x
    x = 17,944,442,290.37/150,183.06
  6. Step 6: Final answer
    x = 119,483.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.