Home / 152,729.60-228,983.52-102,685.44

Finding the Fourth Proportional to 152,729.60, 228,983.52 and 102,685.44

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Solution

The fourth proportional to 152,729.60, 228,983.52 and 102,685.44 is: 153,953.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,729.60 : 228,983.52 = 102,685.44 : x
  2. Step 2: Convert to fraction form
    152,729.60/228,983.52 = 102,685.44/x
  3. Step 3: Cross multiply
    152,729.60x = 228,983.52 × 102,685.44
  4. Step 4: Simplify right side
    152,729.60x = 23,513,273,503.95
  5. Step 5: Solve for x
    x = 23,513,273,503.95/152,729.60
  6. Step 6: Final answer
    x = 153,953.61

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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.