Home / 130,183.38-195,204.90-70,243.98

Finding the Fourth Proportional to 130,183.38, 195,204.90 and 70,243.98

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Solution

The fourth proportional to 130,183.38, 195,204.90 and 70,243.98 is: 105,328.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,183.38 : 195,204.90 = 70,243.98 : x
  2. Step 2: Convert to fraction form
    130,183.38/195,204.90 = 70,243.98/x
  3. Step 3: Cross multiply
    130,183.38x = 195,204.90 × 70,243.98
  4. Step 4: Simplify right side
    130,183.38x = 13,711,969,091.50
  5. Step 5: Solve for x
    x = 13,711,969,091.50/130,183.38
  6. Step 6: Final answer
    x = 105,328.11

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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.