Home / 293,580.48-405,141.84-172,726.32

Finding the Fourth Proportional to 293,580.48, 405,141.84 and 172,726.32

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Solution

The fourth proportional to 293,580.48, 405,141.84 and 172,726.32 is: 238,362.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,580.48 : 405,141.84 = 172,726.32 : x
  2. Step 2: Convert to fraction form
    293,580.48/405,141.84 = 172,726.32/x
  3. Step 3: Cross multiply
    293,580.48x = 405,141.84 × 172,726.32
  4. Step 4: Simplify right side
    293,580.48x = 69,978,659,101.23
  5. Step 5: Solve for x
    x = 69,978,659,101.23/293,580.48
  6. Step 6: Final answer
    x = 238,362.78

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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.