Home / 176,098.38-264,116.84-81,320.49

Finding the Fourth Proportional to 176,098.38, 264,116.84 and 81,320.49

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Solution

The fourth proportional to 176,098.38, 264,116.84 and 81,320.49 is: 121,966.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,098.38 : 264,116.84 = 81,320.49 : x
  2. Step 2: Convert to fraction form
    176,098.38/264,116.84 = 81,320.49/x
  3. Step 3: Cross multiply
    176,098.38x = 264,116.84 × 81,320.49
  4. Step 4: Simplify right side
    176,098.38x = 21,478,110,439.45
  5. Step 5: Solve for x
    x = 21,478,110,439.45/176,098.38
  6. Step 6: Final answer
    x = 121,966.54

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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.