Home / 215,109.70-296,847.65-119,614.34

Finding the Fourth Proportional to 215,109.70, 296,847.65 and 119,614.34

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Solution

The fourth proportional to 215,109.70, 296,847.65 and 119,614.34 is: 165,065.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,109.70 : 296,847.65 = 119,614.34 : x
  2. Step 2: Convert to fraction form
    215,109.70/296,847.65 = 119,614.34/x
  3. Step 3: Cross multiply
    215,109.70x = 296,847.65 × 119,614.34
  4. Step 4: Simplify right side
    215,109.70x = 35,507,235,137.23
  5. Step 5: Solve for x
    x = 35,507,235,137.23/215,109.70
  6. Step 6: Final answer
    x = 165,065.71

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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.