Home / 132,169.87-182,394.55-71,740.50

Finding the Fourth Proportional to 132,169.87, 182,394.55 and 71,740.50

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Solution

The fourth proportional to 132,169.87, 182,394.55 and 71,740.50 is: 99,001.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,169.87 : 182,394.55 = 71,740.50 : x
  2. Step 2: Convert to fraction form
    132,169.87/182,394.55 = 71,740.50/x
  3. Step 3: Cross multiply
    132,169.87x = 182,394.55 × 71,740.50
  4. Step 4: Simplify right side
    132,169.87x = 13,085,076,214.28
  5. Step 5: Solve for x
    x = 13,085,076,214.28/132,169.87
  6. Step 6: Final answer
    x = 99,001.96

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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.