Home / 258,734.96-357,107.33-151,331.39

Finding the Fourth Proportional to 258,734.96, 357,107.33 and 151,331.39

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Solution

The fourth proportional to 258,734.96, 357,107.33 and 151,331.39 is: 208,868.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,734.96 : 357,107.33 = 151,331.39 : x
  2. Step 2: Convert to fraction form
    258,734.96/357,107.33 = 151,331.39/x
  3. Step 3: Cross multiply
    258,734.96x = 357,107.33 × 151,331.39
  4. Step 4: Simplify right side
    258,734.96x = 54,041,548,560.03
  5. Step 5: Solve for x
    x = 54,041,548,560.03/258,734.96
  6. Step 6: Final answer
    x = 208,868.37

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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.