Home / 123,327.69-170,197.06-69,614.56

Finding the Fourth Proportional to 123,327.69, 170,197.06 and 69,614.56

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Solution

The fourth proportional to 123,327.69, 170,197.06 and 69,614.56 is: 96,070.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,327.69 : 170,197.06 = 69,614.56 : x
  2. Step 2: Convert to fraction form
    123,327.69/170,197.06 = 69,614.56/x
  3. Step 3: Cross multiply
    123,327.69x = 170,197.06 × 69,614.56
  4. Step 4: Simplify right side
    123,327.69x = 11,848,193,445.19
  5. Step 5: Solve for x
    x = 11,848,193,445.19/123,327.69
  6. Step 6: Final answer
    x = 96,070.83

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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.