Home / 127,385.04-191,077.30-33,890.80

Finding the Fourth Proportional to 127,385.04, 191,077.30 and 33,890.80

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Solution

The fourth proportional to 127,385.04, 191,077.30 and 33,890.80 is: 50,836.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,385.04 : 191,077.30 = 33,890.80 : x
  2. Step 2: Convert to fraction form
    127,385.04/191,077.30 = 33,890.80/x
  3. Step 3: Cross multiply
    127,385.04x = 191,077.30 × 33,890.80
  4. Step 4: Simplify right side
    127,385.04x = 6,475,762,558.84
  5. Step 5: Solve for x
    x = 6,475,762,558.84/127,385.04
  6. Step 6: Final answer
    x = 50,836.13

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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.