Home / 127,384.79-191,076.91-33,890.54

Finding the Fourth Proportional to 127,384.79, 191,076.91 and 33,890.54

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Solution

The fourth proportional to 127,384.79, 191,076.91 and 33,890.54 is: 50,835.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,384.79 : 191,076.91 = 33,890.54 : x
  2. Step 2: Convert to fraction form
    127,384.79/191,076.91 = 33,890.54/x
  3. Step 3: Cross multiply
    127,384.79x = 191,076.91 × 33,890.54
  4. Step 4: Simplify right side
    127,384.79x = 6,475,698,621.32
  5. Step 5: Solve for x
    x = 6,475,698,621.32/127,384.79
  6. Step 6: Final answer
    x = 50,835.73

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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.