Home / 132,176.69-182,403.99-71,747.30

Finding the Fourth Proportional to 132,176.69, 182,403.99 and 71,747.30

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Solution

The fourth proportional to 132,176.69, 182,403.99 and 71,747.30 is: 99,011.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,176.69 : 182,403.99 = 71,747.30 : x
  2. Step 2: Convert to fraction form
    132,176.69/182,403.99 = 71,747.30/x
  3. Step 3: Cross multiply
    132,176.69x = 182,403.99 × 71,747.30
  4. Step 4: Simplify right side
    132,176.69x = 13,086,992,879.71
  5. Step 5: Solve for x
    x = 13,086,992,879.71/132,176.69
  6. Step 6: Final answer
    x = 99,011.36

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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.