Home / 136,655.55-188,584.94-76,224.64

Finding the Fourth Proportional to 136,655.55, 188,584.94 and 76,224.64

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Solution

The fourth proportional to 136,655.55, 188,584.94 and 76,224.64 is: 105,190.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,655.55 : 188,584.94 = 76,224.64 : x
  2. Step 2: Convert to fraction form
    136,655.55/188,584.94 = 76,224.64/x
  3. Step 3: Cross multiply
    136,655.55x = 188,584.94 × 76,224.64
  4. Step 4: Simplify right side
    136,655.55x = 14,374,818,308.34
  5. Step 5: Solve for x
    x = 14,374,818,308.34/136,655.55
  6. Step 6: Final answer
    x = 105,190.15

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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.