Home / 152,078.40-228,166.20-52,302.60

Finding the Fourth Proportional to 152,078.40, 228,166.20 and 52,302.60

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Solution

The fourth proportional to 152,078.40, 228,166.20 and 52,302.60 is: 78,470.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,078.40 : 228,166.20 = 52,302.60 : x
  2. Step 2: Convert to fraction form
    152,078.40/228,166.20 = 52,302.60/x
  3. Step 3: Cross multiply
    152,078.40x = 228,166.20 × 52,302.60
  4. Step 4: Simplify right side
    152,078.40x = 11,933,685,492.12
  5. Step 5: Solve for x
    x = 11,933,685,492.12/152,078.40
  6. Step 6: Final answer
    x = 78,470.61

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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.