Home / 115,529.32-172,899.68-96,830.48

Finding the Fourth Proportional to 115,529.32, 172,899.68 and 96,830.48

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Solution

The fourth proportional to 115,529.32, 172,899.68 and 96,830.48 is: 144,915.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,529.32 : 172,899.68 = 96,830.48 : x
  2. Step 2: Convert to fraction form
    115,529.32/172,899.68 = 96,830.48/x
  3. Step 3: Cross multiply
    115,529.32x = 172,899.68 × 96,830.48
  4. Step 4: Simplify right side
    115,529.32x = 16,741,959,006.25
  5. Step 5: Solve for x
    x = 16,741,959,006.25/115,529.32
  6. Step 6: Final answer
    x = 144,915.24

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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.