Home / 293,457.12-404,973.36-159,321.44

Finding the Fourth Proportional to 293,457.12, 404,973.36 and 159,321.44

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Solution

The fourth proportional to 293,457.12, 404,973.36 and 159,321.44 is: 219,864.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,457.12 : 404,973.36 = 159,321.44 : x
  2. Step 2: Convert to fraction form
    293,457.12/404,973.36 = 159,321.44/x
  3. Step 3: Cross multiply
    293,457.12x = 404,973.36 × 159,321.44
  4. Step 4: Simplify right side
    293,457.12x = 64,520,938,876.84
  5. Step 5: Solve for x
    x = 64,520,938,876.84/293,457.12
  6. Step 6: Final answer
    x = 219,864.96

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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.