Home / 154,125.60-231,188.40-94,768.80

Finding the Fourth Proportional to 154,125.60, 231,188.40 and 94,768.80

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Solution

The fourth proportional to 154,125.60, 231,188.40 and 94,768.80 is: 142,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,125.60 : 231,188.40 = 94,768.80 : x
  2. Step 2: Convert to fraction form
    154,125.60/231,188.40 = 94,768.80/x
  3. Step 3: Cross multiply
    154,125.60x = 231,188.40 × 94,768.80
  4. Step 4: Simplify right side
    154,125.60x = 21,909,447,241.92
  5. Step 5: Solve for x
    x = 21,909,447,241.92/154,125.60
  6. Step 6: Final answer
    x = 142,153.20

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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.