Home / 132,245.62-182,498.38-71,815.77

Finding the Fourth Proportional to 132,245.62, 182,498.38 and 71,815.77

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Solution

The fourth proportional to 132,245.62, 182,498.38 and 71,815.77 is: 99,105.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,245.62 : 182,498.38 = 71,815.77 : x
  2. Step 2: Convert to fraction form
    132,245.62/182,498.38 = 71,815.77/x
  3. Step 3: Cross multiply
    132,245.62x = 182,498.38 × 71,815.77
  4. Step 4: Simplify right side
    132,245.62x = 13,106,261,683.45
  5. Step 5: Solve for x
    x = 13,106,261,683.45/132,245.62
  6. Step 6: Final answer
    x = 99,105.45

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1.5x scale

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.