Home / 122,351.60-183,527.40-80,496.20

Finding the Fourth Proportional to 122,351.60, 183,527.40 and 80,496.20

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Solution

The fourth proportional to 122,351.60, 183,527.40 and 80,496.20 is: 120,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,351.60 : 183,527.40 = 80,496.20 : x
  2. Step 2: Convert to fraction form
    122,351.60/183,527.40 = 80,496.20/x
  3. Step 3: Cross multiply
    122,351.60x = 183,527.40 × 80,496.20
  4. Step 4: Simplify right side
    122,351.60x = 14,773,258,295.88
  5. Step 5: Solve for x
    x = 14,773,258,295.88/122,351.60
  6. Step 6: Final answer
    x = 120,744.30

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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.