Home / 164,890.60-246,558.30-122,900.20

Finding the Fourth Proportional to 164,890.60, 246,558.30 and 122,900.20

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Solution

The fourth proportional to 164,890.60, 246,558.30 and 122,900.20 is: 183,770.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,890.60 : 246,558.30 = 122,900.20 : x
  2. Step 2: Convert to fraction form
    164,890.60/246,558.30 = 122,900.20/x
  3. Step 3: Cross multiply
    164,890.60x = 246,558.30 × 122,900.20
  4. Step 4: Simplify right side
    164,890.60x = 30,302,064,381.66
  5. Step 5: Solve for x
    x = 30,302,064,381.66/164,890.60
  6. Step 6: Final answer
    x = 183,770.72

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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.