Home / 130,678.11-196,017.17-37,183.86

Finding the Fourth Proportional to 130,678.11, 196,017.17 and 37,183.86

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Solution

The fourth proportional to 130,678.11, 196,017.17 and 37,183.86 is: 55,775.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,678.11 : 196,017.17 = 37,183.86 : x
  2. Step 2: Convert to fraction form
    130,678.11/196,017.17 = 37,183.86/x
  3. Step 3: Cross multiply
    130,678.11x = 196,017.17 × 37,183.86
  4. Step 4: Simplify right side
    130,678.11x = 7,288,674,820.96
  5. Step 5: Solve for x
    x = 7,288,674,820.96/130,678.11
  6. Step 6: Final answer
    x = 55,775.79

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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.