Home / 161,801.39-223,236.43-93,804.79

Finding the Fourth Proportional to 161,801.39, 223,236.43 and 93,804.79

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Solution

The fourth proportional to 161,801.39, 223,236.43 and 93,804.79 is: 129,421.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,801.39 : 223,236.43 = 93,804.79 : x
  2. Step 2: Convert to fraction form
    161,801.39/223,236.43 = 93,804.79/x
  3. Step 3: Cross multiply
    161,801.39x = 223,236.43 × 93,804.79
  4. Step 4: Simplify right side
    161,801.39x = 20,940,646,481.03
  5. Step 5: Solve for x
    x = 20,940,646,481.03/161,801.39
  6. Step 6: Final answer
    x = 129,421.92

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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.