Home / 126,881.78-190,326.01-36,920.86

Finding the Fourth Proportional to 126,881.78, 190,326.01 and 36,920.86

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Solution

The fourth proportional to 126,881.78, 190,326.01 and 36,920.86 is: 55,382.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,881.78 : 190,326.01 = 36,920.86 : x
  2. Step 2: Convert to fraction form
    126,881.78/190,326.01 = 36,920.86/x
  3. Step 3: Cross multiply
    126,881.78x = 190,326.01 × 36,920.86
  4. Step 4: Simplify right side
    126,881.78x = 7,026,999,784.96
  5. Step 5: Solve for x
    x = 7,026,999,784.96/126,881.78
  6. Step 6: Final answer
    x = 55,382.26

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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.