Home / 370,834.70-556,273.58-143,131.59

Finding the Fourth Proportional to 370,834.70, 556,273.58 and 143,131.59

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Solution

The fourth proportional to 370,834.70, 556,273.58 and 143,131.59 is: 214,705.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,834.70 : 556,273.58 = 143,131.59 : x
  2. Step 2: Convert to fraction form
    370,834.70/556,273.58 = 143,131.59/x
  3. Step 3: Cross multiply
    370,834.70x = 556,273.58 × 143,131.59
  4. Step 4: Simplify right side
    370,834.70x = 79,620,320,947.54
  5. Step 5: Solve for x
    x = 79,620,320,947.54/370,834.70
  6. Step 6: Final answer
    x = 214,705.69

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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.