Home / 234,857.54-324,068.94-131,486.39

Finding the Fourth Proportional to 234,857.54, 324,068.94 and 131,486.39

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Solution

The fourth proportional to 234,857.54, 324,068.94 and 131,486.39 is: 181,431.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,857.54 : 324,068.94 = 131,486.39 : x
  2. Step 2: Convert to fraction form
    234,857.54/324,068.94 = 131,486.39/x
  3. Step 3: Cross multiply
    234,857.54x = 324,068.94 × 131,486.39
  4. Step 4: Simplify right side
    234,857.54x = 42,610,653,411.38
  5. Step 5: Solve for x
    x = 42,610,653,411.38/234,857.54
  6. Step 6: Final answer
    x = 181,431.92

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1.5x scale

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.