Home / 386,239.06-533,016.32-214,164.28

Finding the Fourth Proportional to 386,239.06, 533,016.32 and 214,164.28

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Solution

The fourth proportional to 386,239.06, 533,016.32 and 214,164.28 is: 295,550.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,239.06 : 533,016.32 = 214,164.28 : x
  2. Step 2: Convert to fraction form
    386,239.06/533,016.32 = 214,164.28/x
  3. Step 3: Cross multiply
    386,239.06x = 533,016.32 × 214,164.28
  4. Step 4: Simplify right side
    386,239.06x = 114,153,056,401.05
  5. Step 5: Solve for x
    x = 114,153,056,401.05/386,239.06
  6. Step 6: Final answer
    x = 295,550.26

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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.