Home / 313,257.83-432,297.36-170,018.06

Finding the Fourth Proportional to 313,257.83, 432,297.36 and 170,018.06

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Solution

The fourth proportional to 313,257.83, 432,297.36 and 170,018.06 is: 234,625.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,257.83 : 432,297.36 = 170,018.06 : x
  2. Step 2: Convert to fraction form
    313,257.83/432,297.36 = 170,018.06/x
  3. Step 3: Cross multiply
    313,257.83x = 432,297.36 × 170,018.06
  4. Step 4: Simplify right side
    313,257.83x = 73,498,356,328.83
  5. Step 5: Solve for x
    x = 73,498,356,328.83/313,257.83
  6. Step 6: Final answer
    x = 234,625.76

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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.