Home / 127,813.14-191,744.01-57,692.25

Finding the Fourth Proportional to 127,813.14, 191,744.01 and 57,692.25

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Solution

The fourth proportional to 127,813.14, 191,744.01 and 57,692.25 is: 86,549.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,813.14 : 191,744.01 = 57,692.25 : x
  2. Step 2: Convert to fraction form
    127,813.14/191,744.01 = 57,692.25/x
  3. Step 3: Cross multiply
    127,813.14x = 191,744.01 × 57,692.25
  4. Step 4: Simplify right side
    127,813.14x = 11,062,143,360.92
  5. Step 5: Solve for x
    x = 11,062,143,360.92/127,813.14
  6. Step 6: Final answer
    x = 86,549.34

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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.