Home / 127,316.07-190,975.19-38,576.52

Finding the Fourth Proportional to 127,316.07, 190,975.19 and 38,576.52

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Solution

The fourth proportional to 127,316.07, 190,975.19 and 38,576.52 is: 57,865.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,316.07 : 190,975.19 = 38,576.52 : x
  2. Step 2: Convert to fraction form
    127,316.07/190,975.19 = 38,576.52/x
  3. Step 3: Cross multiply
    127,316.07x = 190,975.19 × 38,576.52
  4. Step 4: Simplify right side
    127,316.07x = 7,367,158,043.66
  5. Step 5: Solve for x
    x = 7,367,158,043.66/127,316.07
  6. Step 6: Final answer
    x = 57,865.11

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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.