Home / 172,971.92-236,648.46-172,225.10

Finding the Fourth Proportional to 172,971.92, 236,648.46 and 172,225.10

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Solution

The fourth proportional to 172,971.92, 236,648.46 and 172,225.10 is: 235,626.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,971.92 : 236,648.46 = 172,225.10 : x
  2. Step 2: Convert to fraction form
    172,971.92/236,648.46 = 172,225.10/x
  3. Step 3: Cross multiply
    172,971.92x = 236,648.46 × 172,225.10
  4. Step 4: Simplify right side
    172,971.92x = 40,756,804,688.35
  5. Step 5: Solve for x
    x = 40,756,804,688.35/172,971.92
  6. Step 6: Final answer
    x = 235,626.71

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.