Home / 161,888.31-223,408.62-89,299.53

Finding the Fourth Proportional to 161,888.31, 223,408.62 and 89,299.53

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Solution

The fourth proportional to 161,888.31, 223,408.62 and 89,299.53 is: 123,234.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,888.31 : 223,408.62 = 89,299.53 : x
  2. Step 2: Convert to fraction form
    161,888.31/223,408.62 = 89,299.53/x
  3. Step 3: Cross multiply
    161,888.31x = 223,408.62 × 89,299.53
  4. Step 4: Simplify right side
    161,888.31x = 19,950,284,763.95
  5. Step 5: Solve for x
    x = 19,950,284,763.95/161,888.31
  6. Step 6: Final answer
    x = 123,234.87

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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.