Home / 254,770.08-382,154.60-67,781.60

Finding the Fourth Proportional to 254,770.08, 382,154.60 and 67,781.60

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Solution

The fourth proportional to 254,770.08, 382,154.60 and 67,781.60 is: 101,672.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,770.08 : 382,154.60 = 67,781.60 : x
  2. Step 2: Convert to fraction form
    254,770.08/382,154.60 = 67,781.60/x
  3. Step 3: Cross multiply
    254,770.08x = 382,154.60 × 67,781.60
  4. Step 4: Simplify right side
    254,770.08x = 25,903,050,235.36
  5. Step 5: Solve for x
    x = 25,903,050,235.36/254,770.08
  6. Step 6: Final answer
    x = 101,672.26

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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.