Home / 118,959.15-164,077.56-101,025.75

Finding the Fourth Proportional to 118,959.15, 164,077.56 and 101,025.75

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Solution

The fourth proportional to 118,959.15, 164,077.56 and 101,025.75 is: 139,342.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,959.15 : 164,077.56 = 101,025.75 : x
  2. Step 2: Convert to fraction form
    118,959.15/164,077.56 = 101,025.75/x
  3. Step 3: Cross multiply
    118,959.15x = 164,077.56 × 101,025.75
  4. Step 4: Simplify right side
    118,959.15x = 16,576,058,557.17
  5. Step 5: Solve for x
    x = 16,576,058,557.17/118,959.15
  6. Step 6: Final answer
    x = 139,342.44

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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.