Home / 115,522.32-172,889.21-96,823.47

Finding the Fourth Proportional to 115,522.32, 172,889.21 and 96,823.47

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Solution

The fourth proportional to 115,522.32, 172,889.21 and 96,823.47 is: 144,904.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,522.32 : 172,889.21 = 96,823.47 : x
  2. Step 2: Convert to fraction form
    115,522.32/172,889.21 = 96,823.47/x
  3. Step 3: Cross multiply
    115,522.32x = 172,889.21 × 96,823.47
  4. Step 4: Simplify right side
    115,522.32x = 16,739,733,479.82
  5. Step 5: Solve for x
    x = 16,739,733,479.82/115,522.32
  6. Step 6: Final answer
    x = 144,904.76

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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.