Home / 161,782.58-223,260.67-89,183.92

Finding the Fourth Proportional to 161,782.58, 223,260.67 and 89,183.92

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Solution

The fourth proportional to 161,782.58, 223,260.67 and 89,183.92 is: 123,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,782.58 : 223,260.67 = 89,183.92 : x
  2. Step 2: Convert to fraction form
    161,782.58/223,260.67 = 89,183.92/x
  3. Step 3: Cross multiply
    161,782.58x = 223,260.67 × 89,183.92
  4. Step 4: Simplify right side
    161,782.58x = 19,911,261,202.71
  5. Step 5: Solve for x
    x = 19,911,261,202.71/161,782.58
  6. Step 6: Final answer
    x = 123,074.20

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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.