Home / 115,725.96-173,308.62-80,087.41

Finding the Fourth Proportional to 115,725.96, 173,308.62 and 80,087.41

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Solution

The fourth proportional to 115,725.96, 173,308.62 and 80,087.41 is: 119,937.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,725.96 : 173,308.62 = 80,087.41 : x
  2. Step 2: Convert to fraction form
    115,725.96/173,308.62 = 80,087.41/x
  3. Step 3: Cross multiply
    115,725.96x = 173,308.62 × 80,087.41
  4. Step 4: Simplify right side
    115,725.96x = 13,879,838,506.47
  5. Step 5: Solve for x
    x = 13,879,838,506.47/115,725.96
  6. Step 6: Final answer
    x = 119,937.12

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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.