Home / 151,935.70-228,049.35-77,140.30

Finding the Fourth Proportional to 151,935.70, 228,049.35 and 77,140.30

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Solution

The fourth proportional to 151,935.70, 228,049.35 and 77,140.30 is: 115,784.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,935.70 : 228,049.35 = 77,140.30 : x
  2. Step 2: Convert to fraction form
    151,935.70/228,049.35 = 77,140.30/x
  3. Step 3: Cross multiply
    151,935.70x = 228,049.35 × 77,140.30
  4. Step 4: Simplify right side
    151,935.70x = 17,591,795,273.81
  5. Step 5: Solve for x
    x = 17,591,795,273.81/151,935.70
  6. Step 6: Final answer
    x = 115,784.48

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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.