Home / 275,640.96-380,426.16-168,273.60

Finding the Fourth Proportional to 275,640.96, 380,426.16 and 168,273.60

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Solution

The fourth proportional to 275,640.96, 380,426.16 and 168,273.60 is: 232,242.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,640.96 : 380,426.16 = 168,273.60 : x
  2. Step 2: Convert to fraction form
    275,640.96/380,426.16 = 168,273.60/x
  3. Step 3: Cross multiply
    275,640.96x = 380,426.16 × 168,273.60
  4. Step 4: Simplify right side
    275,640.96x = 64,015,679,477.38
  5. Step 5: Solve for x
    x = 64,015,679,477.38/275,640.96
  6. Step 6: Final answer
    x = 232,242.99

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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.