Home / 133,022.31-183,555.70-76,451.91

Finding the Fourth Proportional to 133,022.31, 183,555.70 and 76,451.91

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Solution

The fourth proportional to 133,022.31, 183,555.70 and 76,451.91 is: 105,494.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,022.31 : 183,555.70 = 76,451.91 : x
  2. Step 2: Convert to fraction form
    133,022.31/183,555.70 = 76,451.91/x
  3. Step 3: Cross multiply
    133,022.31x = 183,555.70 × 76,451.91
  4. Step 4: Simplify right side
    133,022.31x = 14,033,183,856.39
  5. Step 5: Solve for x
    x = 14,033,183,856.39/133,022.31
  6. Step 6: Final answer
    x = 105,494.96

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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.