Home / 161,491.08-222,626.73-113,595.78

Finding the Fourth Proportional to 161,491.08, 222,626.73 and 113,595.78

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Solution

The fourth proportional to 161,491.08, 222,626.73 and 113,595.78 is: 156,599.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,491.08 : 222,626.73 = 113,595.78 : x
  2. Step 2: Convert to fraction form
    161,491.08/222,626.73 = 113,595.78/x
  3. Step 3: Cross multiply
    161,491.08x = 222,626.73 × 113,595.78
  4. Step 4: Simplify right side
    161,491.08x = 25,289,457,043.20
  5. Step 5: Solve for x
    x = 25,289,457,043.20/161,491.08
  6. Step 6: Final answer
    x = 156,599.71

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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.