Home / 195,406.79-269,610.08-112,600.40

Finding the Fourth Proportional to 195,406.79, 269,610.08 and 112,600.40

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Solution

The fourth proportional to 195,406.79, 269,610.08 and 112,600.40 is: 155,358.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,406.79 : 269,610.08 = 112,600.40 : x
  2. Step 2: Convert to fraction form
    195,406.79/269,610.08 = 112,600.40/x
  3. Step 3: Cross multiply
    195,406.79x = 269,610.08 × 112,600.40
  4. Step 4: Simplify right side
    195,406.79x = 30,358,200,940.98
  5. Step 5: Solve for x
    x = 30,358,200,940.98/195,406.79
  6. Step 6: Final answer
    x = 155,358.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.