Home / 127,359.19-190,988.74-43,096.15

Finding the Fourth Proportional to 127,359.19, 190,988.74 and 43,096.15

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Solution

The fourth proportional to 127,359.19, 190,988.74 and 43,096.15 is: 64,627.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,359.19 : 190,988.74 = 43,096.15 : x
  2. Step 2: Convert to fraction form
    127,359.19/190,988.74 = 43,096.15/x
  3. Step 3: Cross multiply
    127,359.19x = 190,988.74 × 43,096.15
  4. Step 4: Simplify right side
    127,359.19x = 8,230,879,387.35
  5. Step 5: Solve for x
    x = 8,230,879,387.35/127,359.19
  6. Step 6: Final answer
    x = 64,627.29

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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.