Home / 256,243.30-384,366.31-168,055.25

Finding the Fourth Proportional to 256,243.30, 384,366.31 and 168,055.25

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Solution

The fourth proportional to 256,243.30, 384,366.31 and 168,055.25 is: 252,083.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,243.30 : 384,366.31 = 168,055.25 : x
  2. Step 2: Convert to fraction form
    256,243.30/384,366.31 = 168,055.25/x
  3. Step 3: Cross multiply
    256,243.30x = 384,366.31 × 168,055.25
  4. Step 4: Simplify right side
    256,243.30x = 64,594,777,549.93
  5. Step 5: Solve for x
    x = 64,594,777,549.93/256,243.30
  6. Step 6: Final answer
    x = 252,083.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.