Home / 258,512.13-356,746.73-151,172.34

Finding the Fourth Proportional to 258,512.13, 356,746.73 and 151,172.34

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Solution

The fourth proportional to 258,512.13, 356,746.73 and 151,172.34 is: 208,617.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,512.13 : 356,746.73 = 151,172.34 : x
  2. Step 2: Convert to fraction form
    258,512.13/356,746.73 = 151,172.34/x
  3. Step 3: Cross multiply
    258,512.13x = 356,746.73 × 151,172.34
  4. Step 4: Simplify right side
    258,512.13x = 53,930,237,961.45
  5. Step 5: Solve for x
    x = 53,930,237,961.45/258,512.13
  6. Step 6: Final answer
    x = 208,617.82

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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.