Home / 127,839.66-191,758.44-37,888.35

Finding the Fourth Proportional to 127,839.66, 191,758.44 and 37,888.35

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Solution

The fourth proportional to 127,839.66, 191,758.44 and 37,888.35 is: 56,832.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,839.66 : 191,758.44 = 37,888.35 : x
  2. Step 2: Convert to fraction form
    127,839.66/191,758.44 = 37,888.35/x
  3. Step 3: Cross multiply
    127,839.66x = 191,758.44 × 37,888.35
  4. Step 4: Simplify right side
    127,839.66x = 7,265,410,890.17
  5. Step 5: Solve for x
    x = 7,265,410,890.17/127,839.66
  6. Step 6: Final answer
    x = 56,832.21

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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.