Home / 129,592.77-178,837.23-73,022.37

Finding the Fourth Proportional to 129,592.77, 178,837.23 and 73,022.37

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Solution

The fourth proportional to 129,592.77, 178,837.23 and 73,022.37 is: 100,770.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,592.77 : 178,837.23 = 73,022.37 : x
  2. Step 2: Convert to fraction form
    129,592.77/178,837.23 = 73,022.37/x
  3. Step 3: Cross multiply
    129,592.77x = 178,837.23 × 73,022.37
  4. Step 4: Simplify right side
    129,592.77x = 13,059,118,378.84
  5. Step 5: Solve for x
    x = 13,059,118,378.84/129,592.77
  6. Step 6: Final answer
    x = 100,770.42

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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.