Home / 232,958.15-320,688.88-172,414.70

Finding the Fourth Proportional to 232,958.15, 320,688.88 and 172,414.70

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Solution

The fourth proportional to 232,958.15, 320,688.88 and 172,414.70 is: 237,345.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,958.15 : 320,688.88 = 172,414.70 : x
  2. Step 2: Convert to fraction form
    232,958.15/320,688.88 = 172,414.70/x
  3. Step 3: Cross multiply
    232,958.15x = 320,688.88 × 172,414.70
  4. Step 4: Simplify right side
    232,958.15x = 55,291,477,038.54
  5. Step 5: Solve for x
    x = 55,291,477,038.54/232,958.15
  6. Step 6: Final answer
    x = 237,345.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.