Home / 193,078.80-289,618.20-186,627.60

Finding the Fourth Proportional to 193,078.80, 289,618.20 and 186,627.60

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Solution

The fourth proportional to 193,078.80, 289,618.20 and 186,627.60 is: 279,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,078.80 : 289,618.20 = 186,627.60 : x
  2. Step 2: Convert to fraction form
    193,078.80/289,618.20 = 186,627.60/x
  3. Step 3: Cross multiply
    193,078.80x = 289,618.20 × 186,627.60
  4. Step 4: Simplify right side
    193,078.80x = 54,050,749,582.32
  5. Step 5: Solve for x
    x = 54,050,749,582.32/193,078.80
  6. Step 6: Final answer
    x = 279,941.40

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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.