Home / 193,272.30-289,908.45-130,286.70

Finding the Fourth Proportional to 193,272.30, 289,908.45 and 130,286.70

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Solution

The fourth proportional to 193,272.30, 289,908.45 and 130,286.70 is: 195,430.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,272.30 : 289,908.45 = 130,286.70 : x
  2. Step 2: Convert to fraction form
    193,272.30/289,908.45 = 130,286.70/x
  3. Step 3: Cross multiply
    193,272.30x = 289,908.45 × 130,286.70
  4. Step 4: Simplify right side
    193,272.30x = 37,771,215,252.62
  5. Step 5: Solve for x
    x = 37,771,215,252.62/193,272.30
  6. Step 6: Final answer
    x = 195,430.05

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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.