Home / 147,097.22-220,645.83-102,810.47

Finding the Fourth Proportional to 147,097.22, 220,645.83 and 102,810.47

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Solution

The fourth proportional to 147,097.22, 220,645.83 and 102,810.47 is: 154,215.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,097.22 : 220,645.83 = 102,810.47 : x
  2. Step 2: Convert to fraction form
    147,097.22/220,645.83 = 102,810.47/x
  3. Step 3: Cross multiply
    147,097.22x = 220,645.83 × 102,810.47
  4. Step 4: Simplify right side
    147,097.22x = 22,684,702,037.45
  5. Step 5: Solve for x
    x = 22,684,702,037.45/147,097.22
  6. Step 6: Final answer
    x = 154,215.71

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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.