Home / 176,680.36-243,836.10-131,890.60

Finding the Fourth Proportional to 176,680.36, 243,836.10 and 131,890.60

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Solution

The fourth proportional to 176,680.36, 243,836.10 and 131,890.60 is: 182,021.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,680.36 : 243,836.10 = 131,890.60 : x
  2. Step 2: Convert to fraction form
    176,680.36/243,836.10 = 131,890.60/x
  3. Step 3: Cross multiply
    176,680.36x = 243,836.10 × 131,890.60
  4. Step 4: Simplify right side
    176,680.36x = 32,159,689,530.66
  5. Step 5: Solve for x
    x = 32,159,689,530.66/176,680.36
  6. Step 6: Final answer
    x = 182,021.87

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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.