Home / 253,923.96-350,414.46-139,202.40

Finding the Fourth Proportional to 253,923.96, 350,414.46 and 139,202.40

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Solution

The fourth proportional to 253,923.96, 350,414.46 and 139,202.40 is: 192,098.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,923.96 : 350,414.46 = 139,202.40 : x
  2. Step 2: Convert to fraction form
    253,923.96/350,414.46 = 139,202.40/x
  3. Step 3: Cross multiply
    253,923.96x = 350,414.46 × 139,202.40
  4. Step 4: Simplify right side
    253,923.96x = 48,778,533,826.70
  5. Step 5: Solve for x
    x = 48,778,533,826.70/253,923.96
  6. Step 6: Final answer
    x = 192,098.98

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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.