Home / 176,308.20-264,527.10-71,137.80

Finding the Fourth Proportional to 176,308.20, 264,527.10 and 71,137.80

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Solution

The fourth proportional to 176,308.20, 264,527.10 and 71,137.80 is: 106,732.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,308.20 : 264,527.10 = 71,137.80 : x
  2. Step 2: Convert to fraction form
    176,308.20/264,527.10 = 71,137.80/x
  3. Step 3: Cross multiply
    176,308.20x = 264,527.10 × 71,137.80
  4. Step 4: Simplify right side
    176,308.20x = 18,817,875,934.38
  5. Step 5: Solve for x
    x = 18,817,875,934.38/176,308.20
  6. Step 6: Final answer
    x = 106,732.85

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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.