Home / 127,383.30-191,075.22-38,637.54

Finding the Fourth Proportional to 127,383.30, 191,075.22 and 38,637.54

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Solution

The fourth proportional to 127,383.30, 191,075.22 and 38,637.54 is: 57,956.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,383.30 : 191,075.22 = 38,637.54 : x
  2. Step 2: Convert to fraction form
    127,383.30/191,075.22 = 38,637.54/x
  3. Step 3: Cross multiply
    127,383.30x = 191,075.22 × 38,637.54
  4. Step 4: Simplify right side
    127,383.30x = 7,382,676,455.76
  5. Step 5: Solve for x
    x = 7,382,676,455.76/127,383.30
  6. Step 6: Final answer
    x = 57,956.39

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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.