Home / 151,914.82-228,015.24-77,088.70

Finding the Fourth Proportional to 151,914.82, 228,015.24 and 77,088.70

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Solution

The fourth proportional to 151,914.82, 228,015.24 and 77,088.70 is: 115,705.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,914.82 : 228,015.24 = 77,088.70 : x
  2. Step 2: Convert to fraction form
    151,914.82/228,015.24 = 77,088.70/x
  3. Step 3: Cross multiply
    151,914.82x = 228,015.24 × 77,088.70
  4. Step 4: Simplify right side
    151,914.82x = 17,577,398,431.79
  5. Step 5: Solve for x
    x = 17,577,398,431.79/151,914.82
  6. Step 6: Final answer
    x = 115,705.62

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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.