Home / 127,278.37-175,633.86-73,566.86

Finding the Fourth Proportional to 127,278.37, 175,633.86 and 73,566.86

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Solution

The fourth proportional to 127,278.37, 175,633.86 and 73,566.86 is: 101,516.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,278.37 : 175,633.86 = 73,566.86 : x
  2. Step 2: Convert to fraction form
    127,278.37/175,633.86 = 73,566.86/x
  3. Step 3: Cross multiply
    127,278.37x = 175,633.86 × 73,566.86
  4. Step 4: Simplify right side
    127,278.37x = 12,920,831,589.88
  5. Step 5: Solve for x
    x = 12,920,831,589.88/127,278.37
  6. Step 6: Final answer
    x = 101,516.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.