Home / 119,731.32-165,226.01-66,015.41

Finding the Fourth Proportional to 119,731.32, 165,226.01 and 66,015.41

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Solution

The fourth proportional to 119,731.32, 165,226.01 and 66,015.41 is: 91,099.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,731.32 : 165,226.01 = 66,015.41 : x
  2. Step 2: Convert to fraction form
    119,731.32/165,226.01 = 66,015.41/x
  3. Step 3: Cross multiply
    119,731.32x = 165,226.01 × 66,015.41
  4. Step 4: Simplify right side
    119,731.32x = 10,907,461,636.61
  5. Step 5: Solve for x
    x = 10,907,461,636.61/119,731.32
  6. Step 6: Final answer
    x = 91,099.49

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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.