Home / 199,556.10-299,334.15-186,336.90

Finding the Fourth Proportional to 199,556.10, 299,334.15 and 186,336.90

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Solution

The fourth proportional to 199,556.10, 299,334.15 and 186,336.90 is: 279,505.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,556.10 : 299,334.15 = 186,336.90 : x
  2. Step 2: Convert to fraction form
    199,556.10/299,334.15 = 186,336.90/x
  3. Step 3: Cross multiply
    199,556.10x = 299,334.15 × 186,336.90
  4. Step 4: Simplify right side
    199,556.10x = 55,776,997,575.14
  5. Step 5: Solve for x
    x = 55,776,997,575.14/199,556.10
  6. Step 6: Final answer
    x = 279,505.35

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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.