Home / 127,159.14-190,741.98-38,415.54

Finding the Fourth Proportional to 127,159.14, 190,741.98 and 38,415.54

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Solution

The fourth proportional to 127,159.14, 190,741.98 and 38,415.54 is: 57,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,159.14 : 190,741.98 = 38,415.54 : x
  2. Step 2: Convert to fraction form
    127,159.14/190,741.98 = 38,415.54/x
  3. Step 3: Cross multiply
    127,159.14x = 190,741.98 × 38,415.54
  4. Step 4: Simplify right side
    127,159.14x = 7,327,456,162.37
  5. Step 5: Solve for x
    x = 7,327,456,162.37/127,159.14
  6. Step 6: Final answer
    x = 57,624.30

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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.