Home / 199,808.37-299,517.75-79,829.55

Finding the Fourth Proportional to 199,808.37, 299,517.75 and 79,829.55

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Solution

The fourth proportional to 199,808.37, 299,517.75 and 79,829.55 is: 119,666.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,808.37 : 299,517.75 = 79,829.55 : x
  2. Step 2: Convert to fraction form
    199,808.37/299,517.75 = 79,829.55/x
  3. Step 3: Cross multiply
    199,808.37x = 299,517.75 × 79,829.55
  4. Step 4: Simplify right side
    199,808.37x = 23,910,367,199.51
  5. Step 5: Solve for x
    x = 23,910,367,199.51/199,808.37
  6. Step 6: Final answer
    x = 119,666.49

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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.