Home / 193,233.20-289,849.80-130,247.60

Finding the Fourth Proportional to 193,233.20, 289,849.80 and 130,247.60

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Solution

The fourth proportional to 193,233.20, 289,849.80 and 130,247.60 is: 195,371.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,233.20 : 289,849.80 = 130,247.60 : x
  2. Step 2: Convert to fraction form
    193,233.20/289,849.80 = 130,247.60/x
  3. Step 3: Cross multiply
    193,233.20x = 289,849.80 × 130,247.60
  4. Step 4: Simplify right side
    193,233.20x = 37,752,240,810.48
  5. Step 5: Solve for x
    x = 37,752,240,810.48/193,233.20
  6. Step 6: Final answer
    x = 195,371.40

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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.