Home / 127,768.98-191,772.14-64,633.74

Finding the Fourth Proportional to 127,768.98, 191,772.14 and 64,633.74

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Solution

The fourth proportional to 127,768.98, 191,772.14 and 64,633.74 is: 97,010.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,768.98 : 191,772.14 = 64,633.74 : x
  2. Step 2: Convert to fraction form
    127,768.98/191,772.14 = 64,633.74/x
  3. Step 3: Cross multiply
    127,768.98x = 191,772.14 × 64,633.74
  4. Step 4: Simplify right side
    127,768.98x = 12,394,950,636.00
  5. Step 5: Solve for x
    x = 12,394,950,636.00/127,768.98
  6. Step 6: Final answer
    x = 97,010.64

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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.