Home / 152,396.16-228,944.64-107,520.78

Finding the Fourth Proportional to 152,396.16, 228,944.64 and 107,520.78

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Solution

The fourth proportional to 152,396.16, 228,944.64 and 107,520.78 is: 161,528.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,396.16 : 228,944.64 = 107,520.78 : x
  2. Step 2: Convert to fraction form
    152,396.16/228,944.64 = 107,520.78/x
  3. Step 3: Cross multiply
    152,396.16x = 228,944.64 × 107,520.78
  4. Step 4: Simplify right side
    152,396.16x = 24,616,306,269.62
  5. Step 5: Solve for x
    x = 24,616,306,269.62/152,396.16
  6. Step 6: Final answer
    x = 161,528.39

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1.5x scale

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.