Home / 179,852.80-269,811.60-74,682.40

Finding the Fourth Proportional to 179,852.80, 269,811.60 and 74,682.40

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Solution

The fourth proportional to 179,852.80, 269,811.60 and 74,682.40 is: 112,037.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,852.80 : 269,811.60 = 74,682.40 : x
  2. Step 2: Convert to fraction form
    179,852.80/269,811.60 = 74,682.40/x
  3. Step 3: Cross multiply
    179,852.80x = 269,811.60 × 74,682.40
  4. Step 4: Simplify right side
    179,852.80x = 20,150,177,835.84
  5. Step 5: Solve for x
    x = 20,150,177,835.84/179,852.80
  6. Step 6: Final answer
    x = 112,037.05

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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.