Home / 258,669.12-356,909.85-151,218.30

Finding the Fourth Proportional to 258,669.12, 356,909.85 and 151,218.30

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Solution

The fourth proportional to 258,669.12, 356,909.85 and 151,218.30 is: 208,649.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,669.12 : 356,909.85 = 151,218.30 : x
  2. Step 2: Convert to fraction form
    258,669.12/356,909.85 = 151,218.30/x
  3. Step 3: Cross multiply
    258,669.12x = 356,909.85 × 151,218.30
  4. Step 4: Simplify right side
    258,669.12x = 53,971,300,770.26
  5. Step 5: Solve for x
    x = 53,971,300,770.26/258,669.12
  6. Step 6: Final answer
    x = 208,649.96

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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.