Home / 193,130.20-289,695.30-163,678.60

Finding the Fourth Proportional to 193,130.20, 289,695.30 and 163,678.60

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Solution

The fourth proportional to 193,130.20, 289,695.30 and 163,678.60 is: 245,517.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,130.20 : 289,695.30 = 163,678.60 : x
  2. Step 2: Convert to fraction form
    193,130.20/289,695.30 = 163,678.60/x
  3. Step 3: Cross multiply
    193,130.20x = 289,695.30 × 163,678.60
  4. Step 4: Simplify right side
    193,130.20x = 47,416,921,130.58
  5. Step 5: Solve for x
    x = 47,416,921,130.58/193,130.20
  6. Step 6: Final answer
    x = 245,517.90

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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.