Home / 256,239.25-384,360.24-168,051.21

Finding the Fourth Proportional to 256,239.25, 384,360.24 and 168,051.21

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Solution

The fourth proportional to 256,239.25, 384,360.24 and 168,051.21 is: 252,077.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,239.25 : 384,360.24 = 168,051.21 : x
  2. Step 2: Convert to fraction form
    256,239.25/384,360.24 = 168,051.21/x
  3. Step 3: Cross multiply
    256,239.25x = 384,360.24 × 168,051.21
  4. Step 4: Simplify right side
    256,239.25x = 64,592,201,651.44
  5. Step 5: Solve for x
    x = 64,592,201,651.44/256,239.25
  6. Step 6: Final answer
    x = 252,077.71

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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.