Home / 218,450.19-301,388.98-127,741.89

Finding the Fourth Proportional to 218,450.19, 301,388.98 and 127,741.89

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Solution

The fourth proportional to 218,450.19, 301,388.98 and 127,741.89 is: 176,241.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,450.19 : 301,388.98 = 127,741.89 : x
  2. Step 2: Convert to fraction form
    218,450.19/301,388.98 = 127,741.89/x
  3. Step 3: Cross multiply
    218,450.19x = 301,388.98 × 127,741.89
  4. Step 4: Simplify right side
    218,450.19x = 38,499,997,930.37
  5. Step 5: Solve for x
    x = 38,499,997,930.37/218,450.19
  6. Step 6: Final answer
    x = 176,241.54

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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.