Home / 147,403.56-221,036.22-53,843.88

Finding the Fourth Proportional to 147,403.56, 221,036.22 and 53,843.88

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Solution

The fourth proportional to 147,403.56, 221,036.22 and 53,843.88 is: 80,740.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,403.56 : 221,036.22 = 53,843.88 : x
  2. Step 2: Convert to fraction form
    147,403.56/221,036.22 = 53,843.88/x
  3. Step 3: Cross multiply
    147,403.56x = 221,036.22 × 53,843.88
  4. Step 4: Simplify right side
    147,403.56x = 11,901,447,705.33
  5. Step 5: Solve for x
    x = 11,901,447,705.33/147,403.56
  6. Step 6: Final answer
    x = 80,740.57

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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.