Home / 218,817.54-328,261.34-92,459.03

Finding the Fourth Proportional to 218,817.54, 328,261.34 and 92,459.03

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Solution

The fourth proportional to 218,817.54, 328,261.34 and 92,459.03 is: 138,703.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,817.54 : 328,261.34 = 92,459.03 : x
  2. Step 2: Convert to fraction form
    218,817.54/328,261.34 = 92,459.03/x
  3. Step 3: Cross multiply
    218,817.54x = 328,261.34 × 92,459.03
  4. Step 4: Simplify right side
    218,817.54x = 30,350,723,672.74
  5. Step 5: Solve for x
    x = 30,350,723,672.74/218,817.54
  6. Step 6: Final answer
    x = 138,703.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.