Home / 115,231.16-172,728.36-44,137.13

Finding the Fourth Proportional to 115,231.16, 172,728.36 and 44,137.13

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Solution

The fourth proportional to 115,231.16, 172,728.36 and 44,137.13 is: 66,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,231.16 : 172,728.36 = 44,137.13 : x
  2. Step 2: Convert to fraction form
    115,231.16/172,728.36 = 44,137.13/x
  3. Step 3: Cross multiply
    115,231.16x = 172,728.36 × 44,137.13
  4. Step 4: Simplify right side
    115,231.16x = 7,623,733,216.37
  5. Step 5: Solve for x
    x = 7,623,733,216.37/115,231.16
  6. Step 6: Final answer
    x = 66,160.35

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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.