Home / 313,857.23-433,117.86-170,620.88

Finding the Fourth Proportional to 313,857.23, 433,117.86 and 170,620.88

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Solution

The fourth proportional to 313,857.23, 433,117.86 and 170,620.88 is: 235,454.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,857.23 : 433,117.86 = 170,620.88 : x
  2. Step 2: Convert to fraction form
    313,857.23/433,117.86 = 170,620.88/x
  3. Step 3: Cross multiply
    313,857.23x = 433,117.86 × 170,620.88
  4. Step 4: Simplify right side
    313,857.23x = 73,898,948,251.33
  5. Step 5: Solve for x
    x = 73,898,948,251.33/313,857.23
  6. Step 6: Final answer
    x = 235,454.03

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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.