Home / 313,828.86-433,078.70-170,592.50

Finding the Fourth Proportional to 313,828.86, 433,078.70 and 170,592.50

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Solution

The fourth proportional to 313,828.86, 433,078.70 and 170,592.50 is: 235,414.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,828.86 : 433,078.70 = 170,592.50 : x
  2. Step 2: Convert to fraction form
    313,828.86/433,078.70 = 170,592.50/x
  3. Step 3: Cross multiply
    313,828.86x = 433,078.70 × 170,592.50
  4. Step 4: Simplify right side
    313,828.86x = 73,879,978,129.75
  5. Step 5: Solve for x
    x = 73,879,978,129.75/313,828.86
  6. Step 6: Final answer
    x = 235,414.86

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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.