Home / 130,010.80-179,498.28-106,194.64

Finding the Fourth Proportional to 130,010.80, 179,498.28 and 106,194.64

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Solution

The fourth proportional to 130,010.80, 179,498.28 and 106,194.64 is: 146,616.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,010.80 : 179,498.28 = 106,194.64 : x
  2. Step 2: Convert to fraction form
    130,010.80/179,498.28 = 106,194.64/x
  3. Step 3: Cross multiply
    130,010.80x = 179,498.28 × 106,194.64
  4. Step 4: Simplify right side
    130,010.80x = 19,061,755,225.22
  5. Step 5: Solve for x
    x = 19,061,755,225.22/130,010.80
  6. Step 6: Final answer
    x = 146,616.71

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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.