Home / 274,429.48-378,654.96-161,210.92

Finding the Fourth Proportional to 274,429.48, 378,654.96 and 161,210.92

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Solution

The fourth proportional to 274,429.48, 378,654.96 and 161,210.92 is: 222,437.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,429.48 : 378,654.96 = 161,210.92 : x
  2. Step 2: Convert to fraction form
    274,429.48/378,654.96 = 161,210.92/x
  3. Step 3: Cross multiply
    274,429.48x = 378,654.96 × 161,210.92
  4. Step 4: Simplify right side
    274,429.48x = 61,043,314,464.16
  5. Step 5: Solve for x
    x = 61,043,314,464.16/274,429.48
  6. Step 6: Final answer
    x = 222,437.16

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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.