Home / 152,433.70-228,002.55-136,752.10

Finding the Fourth Proportional to 152,433.70, 228,002.55 and 136,752.10

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Solution

The fourth proportional to 152,433.70, 228,002.55 and 136,752.10 is: 204,546.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,433.70 : 228,002.55 = 136,752.10 : x
  2. Step 2: Convert to fraction form
    152,433.70/228,002.55 = 136,752.10/x
  3. Step 3: Cross multiply
    152,433.70x = 228,002.55 × 136,752.10
  4. Step 4: Simplify right side
    152,433.70x = 31,179,827,517.86
  5. Step 5: Solve for x
    x = 31,179,827,517.86/152,433.70
  6. Step 6: Final answer
    x = 204,546.81

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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.