Home / 258,451.64-356,610.96-151,000.91

Finding the Fourth Proportional to 258,451.64, 356,610.96 and 151,000.91

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Solution

The fourth proportional to 258,451.64, 356,610.96 and 151,000.91 is: 208,350.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,451.64 : 356,610.96 = 151,000.91 : x
  2. Step 2: Convert to fraction form
    258,451.64/356,610.96 = 151,000.91/x
  3. Step 3: Cross multiply
    258,451.64x = 356,610.96 × 151,000.91
  4. Step 4: Simplify right side
    258,451.64x = 53,848,577,692.92
  5. Step 5: Solve for x
    x = 53,848,577,692.92/258,451.64
  6. Step 6: Final answer
    x = 208,350.69

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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.