Home / 161,850.24-223,226.72-105,279.68

Finding the Fourth Proportional to 161,850.24, 223,226.72 and 105,279.68

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Solution

The fourth proportional to 161,850.24, 223,226.72 and 105,279.68 is: 145,203.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,850.24 : 223,226.72 = 105,279.68 : x
  2. Step 2: Convert to fraction form
    161,850.24/223,226.72 = 105,279.68/x
  3. Step 3: Cross multiply
    161,850.24x = 223,226.72 × 105,279.68
  4. Step 4: Simplify right side
    161,850.24x = 23,501,237,649.05
  5. Step 5: Solve for x
    x = 23,501,237,649.05/161,850.24
  6. Step 6: Final answer
    x = 145,203.60

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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.