Home / 119,568.06-163,808.96-115,083.90

Finding the Fourth Proportional to 119,568.06, 163,808.96 and 115,083.90

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Solution

The fourth proportional to 119,568.06, 163,808.96 and 115,083.90 is: 157,665.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,568.06 : 163,808.96 = 115,083.90 : x
  2. Step 2: Convert to fraction form
    119,568.06/163,808.96 = 115,083.90/x
  3. Step 3: Cross multiply
    119,568.06x = 163,808.96 × 115,083.90
  4. Step 4: Simplify right side
    119,568.06x = 18,851,773,396.32
  5. Step 5: Solve for x
    x = 18,851,773,396.32/119,568.06
  6. Step 6: Final answer
    x = 157,665.63

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.