Home / 132,498.45-182,850.87-72,072.32

Finding the Fourth Proportional to 132,498.45, 182,850.87 and 72,072.32

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Solution

The fourth proportional to 132,498.45, 182,850.87 and 72,072.32 is: 99,461.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,498.45 : 182,850.87 = 72,072.32 : x
  2. Step 2: Convert to fraction form
    132,498.45/182,850.87 = 72,072.32/x
  3. Step 3: Cross multiply
    132,498.45x = 182,850.87 × 72,072.32
  4. Step 4: Simplify right side
    132,498.45x = 13,178,486,908.33
  5. Step 5: Solve for x
    x = 13,178,486,908.33/132,498.45
  6. Step 6: Final answer
    x = 99,461.44

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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.