Home / 127,176.30-190,764.45-119,918.70

Finding the Fourth Proportional to 127,176.30, 190,764.45 and 119,918.70

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Solution

The fourth proportional to 127,176.30, 190,764.45 and 119,918.70 is: 179,878.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,176.30 : 190,764.45 = 119,918.70 : x
  2. Step 2: Convert to fraction form
    127,176.30/190,764.45 = 119,918.70/x
  3. Step 3: Cross multiply
    127,176.30x = 190,764.45 × 119,918.70
  4. Step 4: Simplify right side
    127,176.30x = 22,876,224,850.22
  5. Step 5: Solve for x
    x = 22,876,224,850.22/127,176.30
  6. Step 6: Final answer
    x = 179,878.05

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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.