Home / 134,447.60-185,703.96-98,580.80

Finding the Fourth Proportional to 134,447.60, 185,703.96 and 98,580.80

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Solution

The fourth proportional to 134,447.60, 185,703.96 and 98,580.80 is: 136,163.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,447.60 : 185,703.96 = 98,580.80 : x
  2. Step 2: Convert to fraction form
    134,447.60/185,703.96 = 98,580.80/x
  3. Step 3: Cross multiply
    134,447.60x = 185,703.96 × 98,580.80
  4. Step 4: Simplify right side
    134,447.60x = 18,306,844,939.97
  5. Step 5: Solve for x
    x = 18,306,844,939.97/134,447.60
  6. Step 6: Final answer
    x = 136,163.42

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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.