Home / 218,190.54-301,125.75-133,364.22

Finding the Fourth Proportional to 218,190.54, 301,125.75 and 133,364.22

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Solution

The fourth proportional to 218,190.54, 301,125.75 and 133,364.22 is: 184,056.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,190.54 : 301,125.75 = 133,364.22 : x
  2. Step 2: Convert to fraction form
    218,190.54/301,125.75 = 133,364.22/x
  3. Step 3: Cross multiply
    218,190.54x = 301,125.75 × 133,364.22
  4. Step 4: Simplify right side
    218,190.54x = 40,159,400,770.67
  5. Step 5: Solve for x
    x = 40,159,400,770.67/218,190.54
  6. Step 6: Final answer
    x = 184,056.56

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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.