Home / 276,519.42-415,000.62-126,830.25

Finding the Fourth Proportional to 276,519.42, 415,000.62 and 126,830.25

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Solution

The fourth proportional to 276,519.42, 415,000.62 and 126,830.25 is: 190,346.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,519.42 : 415,000.62 = 126,830.25 : x
  2. Step 2: Convert to fraction form
    276,519.42/415,000.62 = 126,830.25/x
  3. Step 3: Cross multiply
    276,519.42x = 415,000.62 × 126,830.25
  4. Step 4: Simplify right side
    276,519.42x = 52,634,632,384.76
  5. Step 5: Solve for x
    x = 52,634,632,384.76/276,519.42
  6. Step 6: Final answer
    x = 190,346.97

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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.