Home / 193,154.12-289,772.73-65,083.15

Finding the Fourth Proportional to 193,154.12, 289,772.73 and 65,083.15

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Solution

The fourth proportional to 193,154.12, 289,772.73 and 65,083.15 is: 97,638.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,154.12 : 289,772.73 = 65,083.15 : x
  2. Step 2: Convert to fraction form
    193,154.12/289,772.73 = 65,083.15/x
  3. Step 3: Cross multiply
    193,154.12x = 289,772.73 × 65,083.15
  4. Step 4: Simplify right side
    193,154.12x = 18,859,321,727.08
  5. Step 5: Solve for x
    x = 18,859,321,727.08/193,154.12
  6. Step 6: Final answer
    x = 97,638.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.