Home / 132,828.80-199,356.60-53,999.60

Finding the Fourth Proportional to 132,828.80, 199,356.60 and 53,999.60

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Solution

The fourth proportional to 132,828.80, 199,356.60 and 53,999.60 is: 81,045.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,828.80 : 199,356.60 = 53,999.60 : x
  2. Step 2: Convert to fraction form
    132,828.80/199,356.60 = 53,999.60/x
  3. Step 3: Cross multiply
    132,828.80x = 199,356.60 × 53,999.60
  4. Step 4: Simplify right side
    132,828.80x = 10,765,176,657.36
  5. Step 5: Solve for x
    x = 10,765,176,657.36/132,828.80
  6. Step 6: Final answer
    x = 81,045.50

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1.5x scale

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.