Home / 255,619.37-352,755.43-153,703.20

Finding the Fourth Proportional to 255,619.37, 352,755.43 and 153,703.20

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Solution

The fourth proportional to 255,619.37, 352,755.43 and 153,703.20 is: 212,110.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,619.37 : 352,755.43 = 153,703.20 : x
  2. Step 2: Convert to fraction form
    255,619.37/352,755.43 = 153,703.20/x
  3. Step 3: Cross multiply
    255,619.37x = 352,755.43 × 153,703.20
  4. Step 4: Simplify right side
    255,619.37x = 54,219,636,802.87
  5. Step 5: Solve for x
    x = 54,219,636,802.87/255,619.37
  6. Step 6: Final answer
    x = 212,110.83

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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.