Home / 340,833.90-470,377.86-187,899.42

Finding the Fourth Proportional to 340,833.90, 470,377.86 and 187,899.42

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Solution

The fourth proportional to 340,833.90, 470,377.86 and 187,899.42 is: 259,316.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,833.90 : 470,377.86 = 187,899.42 : x
  2. Step 2: Convert to fraction form
    340,833.90/470,377.86 = 187,899.42/x
  3. Step 3: Cross multiply
    340,833.90x = 470,377.86 × 187,899.42
  4. Step 4: Simplify right side
    340,833.90x = 88,383,727,074.84
  5. Step 5: Solve for x
    x = 88,383,727,074.84/340,833.90
  6. Step 6: Final answer
    x = 259,316.13

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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.