Home / 161,845.92-223,338.96-89,260.74

Finding the Fourth Proportional to 161,845.92, 223,338.96 and 89,260.74

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Solution

The fourth proportional to 161,845.92, 223,338.96 and 89,260.74 is: 123,175.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,845.92 : 223,338.96 = 89,260.74 : x
  2. Step 2: Convert to fraction form
    161,845.92/223,338.96 = 89,260.74/x
  3. Step 3: Cross multiply
    161,845.92x = 223,338.96 × 89,260.74
  4. Step 4: Simplify right side
    161,845.92x = 19,935,400,840.43
  5. Step 5: Solve for x
    x = 19,935,400,840.43/161,845.92
  6. Step 6: Final answer
    x = 123,175.18

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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.