Home / 176,790.40-264,955.20-82,009.60

Finding the Fourth Proportional to 176,790.40, 264,955.20 and 82,009.60

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Solution

The fourth proportional to 176,790.40, 264,955.20 and 82,009.60 is: 122,907.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,790.40 : 264,955.20 = 82,009.60 : x
  2. Step 2: Convert to fraction form
    176,790.40/264,955.20 = 82,009.60/x
  3. Step 3: Cross multiply
    176,790.40x = 264,955.20 × 82,009.60
  4. Step 4: Simplify right side
    176,790.40x = 21,728,869,969.92
  5. Step 5: Solve for x
    x = 21,728,869,969.92/176,790.40
  6. Step 6: Final answer
    x = 122,907.52

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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.