Home / 127,120.86-190,731.45-48,256.02

Finding the Fourth Proportional to 127,120.86, 190,731.45 and 48,256.02

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Solution

The fourth proportional to 127,120.86, 190,731.45 and 48,256.02 is: 72,403.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,120.86 : 190,731.45 = 48,256.02 : x
  2. Step 2: Convert to fraction form
    127,120.86/190,731.45 = 48,256.02/x
  3. Step 3: Cross multiply
    127,120.86x = 190,731.45 × 48,256.02
  4. Step 4: Simplify right side
    127,120.86x = 9,203,940,665.83
  5. Step 5: Solve for x
    x = 9,203,940,665.83/127,120.86
  6. Step 6: Final answer
    x = 72,403.07

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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.