Home / 122,985.21-184,191.75-118,723.41

Finding the Fourth Proportional to 122,985.21, 184,191.75 and 118,723.41

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Solution

The fourth proportional to 122,985.21, 184,191.75 and 118,723.41 is: 177,808.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,985.21 : 184,191.75 = 118,723.41 : x
  2. Step 2: Convert to fraction form
    122,985.21/184,191.75 = 118,723.41/x
  3. Step 3: Cross multiply
    122,985.21x = 184,191.75 × 118,723.41
  4. Step 4: Simplify right side
    122,985.21x = 21,867,872,653.87
  5. Step 5: Solve for x
    x = 21,867,872,653.87/122,985.21
  6. Step 6: Final answer
    x = 177,808.96

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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.