Home / 176,343.28-243,375.96-109,285.36

Finding the Fourth Proportional to 176,343.28, 243,375.96 and 109,285.36

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Solution

The fourth proportional to 176,343.28, 243,375.96 and 109,285.36 is: 150,827.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,343.28 : 243,375.96 = 109,285.36 : x
  2. Step 2: Convert to fraction form
    176,343.28/243,375.96 = 109,285.36/x
  3. Step 3: Cross multiply
    176,343.28x = 243,375.96 × 109,285.36
  4. Step 4: Simplify right side
    176,343.28x = 26,597,429,403.95
  5. Step 5: Solve for x
    x = 26,597,429,403.95/176,343.28
  6. Step 6: Final answer
    x = 150,827.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.