Home / 132,978.24-183,532.77-126,999.36

Finding the Fourth Proportional to 132,978.24, 183,532.77 and 126,999.36

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Solution

The fourth proportional to 132,978.24, 183,532.77 and 126,999.36 is: 175,280.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,978.24 : 183,532.77 = 126,999.36 : x
  2. Step 2: Convert to fraction form
    132,978.24/183,532.77 = 126,999.36/x
  3. Step 3: Cross multiply
    132,978.24x = 183,532.77 × 126,999.36
  4. Step 4: Simplify right side
    132,978.24x = 23,308,544,329.03
  5. Step 5: Solve for x
    x = 23,308,544,329.03/132,978.24
  6. Step 6: Final answer
    x = 175,280.89

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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.