Home / 277,351.20-415,692.60-127,384.56

Finding the Fourth Proportional to 277,351.20, 415,692.60 and 127,384.56

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Solution

The fourth proportional to 277,351.20, 415,692.60 and 127,384.56 is: 190,923.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,351.20 : 415,692.60 = 127,384.56 : x
  2. Step 2: Convert to fraction form
    277,351.20/415,692.60 = 127,384.56/x
  3. Step 3: Cross multiply
    277,351.20x = 415,692.60 × 127,384.56
  4. Step 4: Simplify right side
    277,351.20x = 52,952,818,946.26
  5. Step 5: Solve for x
    x = 52,952,818,946.26/277,351.20
  6. Step 6: Final answer
    x = 190,923.35

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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.