Home / 115,233.10-172,581.08-111,242.14

Finding the Fourth Proportional to 115,233.10, 172,581.08 and 111,242.14

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Solution

The fourth proportional to 115,233.10, 172,581.08 and 111,242.14 is: 166,603.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,233.10 : 172,581.08 = 111,242.14 : x
  2. Step 2: Convert to fraction form
    115,233.10/172,581.08 = 111,242.14/x
  3. Step 3: Cross multiply
    115,233.10x = 172,581.08 × 111,242.14
  4. Step 4: Simplify right side
    115,233.10x = 19,198,288,662.71
  5. Step 5: Solve for x
    x = 19,198,288,662.71/115,233.10
  6. Step 6: Final answer
    x = 166,603.94

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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.