Home / 152,477.60-228,716.40-102,711.20

Finding the Fourth Proportional to 152,477.60, 228,716.40 and 102,711.20

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Solution

The fourth proportional to 152,477.60, 228,716.40 and 102,711.20 is: 154,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,477.60 : 228,716.40 = 102,711.20 : x
  2. Step 2: Convert to fraction form
    152,477.60/228,716.40 = 102,711.20/x
  3. Step 3: Cross multiply
    152,477.60x = 228,716.40 × 102,711.20
  4. Step 4: Simplify right side
    152,477.60x = 23,491,735,903.68
  5. Step 5: Solve for x
    x = 23,491,735,903.68/152,477.60
  6. Step 6: Final answer
    x = 154,066.80

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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.