Home / 117,097.22-161,624.44-76,362.88

Finding the Fourth Proportional to 117,097.22, 161,624.44 and 76,362.88

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Solution

The fourth proportional to 117,097.22, 161,624.44 and 76,362.88 is: 105,400.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,097.22 : 161,624.44 = 76,362.88 : x
  2. Step 2: Convert to fraction form
    117,097.22/161,624.44 = 76,362.88/x
  3. Step 3: Cross multiply
    117,097.22x = 161,624.44 × 76,362.88
  4. Step 4: Simplify right side
    117,097.22x = 12,342,107,716.79
  5. Step 5: Solve for x
    x = 12,342,107,716.79/117,097.22
  6. Step 6: Final answer
    x = 105,400.52

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1.5x scale

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.