Home / 115,523.32-172,890.71-96,824.47

Finding the Fourth Proportional to 115,523.32, 172,890.71 and 96,824.47

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Solution

The fourth proportional to 115,523.32, 172,890.71 and 96,824.47 is: 144,906.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,523.32 : 172,890.71 = 96,824.47 : x
  2. Step 2: Convert to fraction form
    115,523.32/172,890.71 = 96,824.47/x
  3. Step 3: Cross multiply
    115,523.32x = 172,890.71 × 96,824.47
  4. Step 4: Simplify right side
    115,523.32x = 16,740,051,363.67
  5. Step 5: Solve for x
    x = 16,740,051,363.67/115,523.32
  6. Step 6: Final answer
    x = 144,906.25

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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.