Home / 195,563.60-269,877.88-106,139.60

Finding the Fourth Proportional to 195,563.60, 269,877.88 and 106,139.60

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Solution

The fourth proportional to 195,563.60, 269,877.88 and 106,139.60 is: 146,472.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,563.60 : 269,877.88 = 106,139.60 : x
  2. Step 2: Convert to fraction form
    195,563.60/269,877.88 = 106,139.60/x
  3. Step 3: Cross multiply
    195,563.60x = 269,877.88 × 106,139.60
  4. Step 4: Simplify right side
    195,563.60x = 28,644,730,232.05
  5. Step 5: Solve for x
    x = 28,644,730,232.05/195,563.60
  6. Step 6: Final answer
    x = 146,472.71

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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.