Home / 258,528.08-356,649-151,102.64

Finding the Fourth Proportional to 258,528.08, 356,649 and 151,102.64

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Solution

The fourth proportional to 258,528.08, 356,649 and 151,102.64 is: 208,451.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,528.08 : 356,649 = 151,102.64 : x
  2. Step 2: Convert to fraction form
    258,528.08/356,649 = 151,102.64/x
  3. Step 3: Cross multiply
    258,528.08x = 356,649 × 151,102.64
  4. Step 4: Simplify right side
    258,528.08x = 53,890,605,453.36
  5. Step 5: Solve for x
    x = 53,890,605,453.36/258,528.08
  6. Step 6: Final answer
    x = 208,451.65

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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.