Home / 236,160.37-325,894.82-128,732.50

Finding the Fourth Proportional to 236,160.37, 325,894.82 and 128,732.50

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Solution

The fourth proportional to 236,160.37, 325,894.82 and 128,732.50 is: 177,647.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,160.37 : 325,894.82 = 128,732.50 : x
  2. Step 2: Convert to fraction form
    236,160.37/325,894.82 = 128,732.50/x
  3. Step 3: Cross multiply
    236,160.37x = 325,894.82 × 128,732.50
  4. Step 4: Simplify right side
    236,160.37x = 41,953,254,915.65
  5. Step 5: Solve for x
    x = 41,953,254,915.65/236,160.37
  6. Step 6: Final answer
    x = 177,647.31

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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.