Home / 176,077.12-264,085-81,299.24

Finding the Fourth Proportional to 176,077.12, 264,085 and 81,299.24

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Solution

The fourth proportional to 176,077.12, 264,085 and 81,299.24 is: 121,934.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,077.12 : 264,085 = 81,299.24 : x
  2. Step 2: Convert to fraction form
    176,077.12/264,085 = 81,299.24/x
  3. Step 3: Cross multiply
    176,077.12x = 264,085 × 81,299.24
  4. Step 4: Simplify right side
    176,077.12x = 21,469,909,795.40
  5. Step 5: Solve for x
    x = 21,469,909,795.40/176,077.12
  6. Step 6: Final answer
    x = 121,934.69

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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.