Home / 127,384.96-191,077.89-38,639.23

Finding the Fourth Proportional to 127,384.96, 191,077.89 and 38,639.23

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Solution

The fourth proportional to 127,384.96, 191,077.89 and 38,639.23 is: 57,958.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,384.96 : 191,077.89 = 38,639.23 : x
  2. Step 2: Convert to fraction form
    127,384.96/191,077.89 = 38,639.23/x
  3. Step 3: Cross multiply
    127,384.96x = 191,077.89 × 38,639.23
  4. Step 4: Simplify right side
    127,384.96x = 7,383,102,539.62
  5. Step 5: Solve for x
    x = 7,383,102,539.62/127,384.96
  6. Step 6: Final answer
    x = 57,958.98

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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.