Home / 293,624.73-405,182.91-172,742.64

Finding the Fourth Proportional to 293,624.73, 405,182.91 and 172,742.64

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Solution

The fourth proportional to 293,624.73, 405,182.91 and 172,742.64 is: 238,373.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,624.73 : 405,182.91 = 172,742.64 : x
  2. Step 2: Convert to fraction form
    293,624.73/405,182.91 = 172,742.64/x
  3. Step 3: Cross multiply
    293,624.73x = 405,182.91 × 172,742.64
  4. Step 4: Simplify right side
    293,624.73x = 69,992,365,556.28
  5. Step 5: Solve for x
    x = 69,992,365,556.28/293,624.73
  6. Step 6: Final answer
    x = 238,373.54

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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.