Home / 127,102.26-190,654.74-38,356.55

Finding the Fourth Proportional to 127,102.26, 190,654.74 and 38,356.55

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Solution

The fourth proportional to 127,102.26, 190,654.74 and 38,356.55 is: 57,535.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,102.26 : 190,654.74 = 38,356.55 : x
  2. Step 2: Convert to fraction form
    127,102.26/190,654.74 = 38,356.55/x
  3. Step 3: Cross multiply
    127,102.26x = 190,654.74 × 38,356.55
  4. Step 4: Simplify right side
    127,102.26x = 7,312,857,114.27
  5. Step 5: Solve for x
    x = 7,312,857,114.27/127,102.26
  6. Step 6: Final answer
    x = 57,535.22

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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.