Home / 127,084.96-190,628.82-38,339.24

Finding the Fourth Proportional to 127,084.96, 190,628.82 and 38,339.24

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Solution

The fourth proportional to 127,084.96, 190,628.82 and 38,339.24 is: 57,509.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,084.96 : 190,628.82 = 38,339.24 : x
  2. Step 2: Convert to fraction form
    127,084.96/190,628.82 = 38,339.24/x
  3. Step 3: Cross multiply
    127,084.96x = 190,628.82 × 38,339.24
  4. Step 4: Simplify right side
    127,084.96x = 7,308,564,080.90
  5. Step 5: Solve for x
    x = 7,308,564,080.90/127,084.96
  6. Step 6: Final answer
    x = 57,509.28

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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.