Home / 297,621.76-410,725.28-170,338.36

Finding the Fourth Proportional to 297,621.76, 410,725.28 and 170,338.36

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Solution

The fourth proportional to 297,621.76, 410,725.28 and 170,338.36 is: 235,071.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,621.76 : 410,725.28 = 170,338.36 : x
  2. Step 2: Convert to fraction form
    297,621.76/410,725.28 = 170,338.36/x
  3. Step 3: Cross multiply
    297,621.76x = 410,725.28 × 170,338.36
  4. Step 4: Simplify right side
    297,621.76x = 69,962,270,605.74
  5. Step 5: Solve for x
    x = 69,962,270,605.74/297,621.76
  6. Step 6: Final answer
    x = 235,071.09

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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.