Home / 161,933.79-242,893.77-55,327.32

Finding the Fourth Proportional to 161,933.79, 242,893.77 and 55,327.32

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Solution

The fourth proportional to 161,933.79, 242,893.77 and 55,327.32 is: 82,988.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,933.79 : 242,893.77 = 55,327.32 : x
  2. Step 2: Convert to fraction form
    161,933.79/242,893.77 = 55,327.32/x
  3. Step 3: Cross multiply
    161,933.79x = 242,893.77 × 55,327.32
  4. Step 4: Simplify right side
    161,933.79x = 13,438,661,338.80
  5. Step 5: Solve for x
    x = 13,438,661,338.80/161,933.79
  6. Step 6: Final answer
    x = 82,988.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.