Home / 232,450.24-348,539.88-90,129.25

Finding the Fourth Proportional to 232,450.24, 348,539.88 and 90,129.25

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Solution

The fourth proportional to 232,450.24, 348,539.88 and 90,129.25 is: 135,141.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,450.24 : 348,539.88 = 90,129.25 : x
  2. Step 2: Convert to fraction form
    232,450.24/348,539.88 = 90,129.25/x
  3. Step 3: Cross multiply
    232,450.24x = 348,539.88 × 90,129.25
  4. Step 4: Simplify right side
    232,450.24x = 31,413,637,979.49
  5. Step 5: Solve for x
    x = 31,413,637,979.49/232,450.24
  6. Step 6: Final answer
    x = 135,141.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.