Home / 340,836.71-470,357.96-187,880.85

Finding the Fourth Proportional to 340,836.71, 470,357.96 and 187,880.85

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Solution

The fourth proportional to 340,836.71, 470,357.96 and 187,880.85 is: 259,277.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,836.71 : 470,357.96 = 187,880.85 : x
  2. Step 2: Convert to fraction form
    340,836.71/470,357.96 = 187,880.85/x
  3. Step 3: Cross multiply
    340,836.71x = 470,357.96 × 187,880.85
  4. Step 4: Simplify right side
    340,836.71x = 88,371,252,389.66
  5. Step 5: Solve for x
    x = 88,371,252,389.66/340,836.71
  6. Step 6: Final answer
    x = 259,277.39

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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.