Home / 161,975.85-223,525.15-89,379.42

Finding the Fourth Proportional to 161,975.85, 223,525.15 and 89,379.42

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Solution

The fourth proportional to 161,975.85, 223,525.15 and 89,379.42 is: 123,342.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,975.85 : 223,525.15 = 89,379.42 : x
  2. Step 2: Convert to fraction form
    161,975.85/223,525.15 = 89,379.42/x
  3. Step 3: Cross multiply
    161,975.85x = 223,525.15 × 89,379.42
  4. Step 4: Simplify right side
    161,975.85x = 19,978,548,038.96
  5. Step 5: Solve for x
    x = 19,978,548,038.96/161,975.85
  6. Step 6: Final answer
    x = 123,342.76

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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.