Home / 293,973.16-440,817.02-172,426.79

Finding the Fourth Proportional to 293,973.16, 440,817.02 and 172,426.79

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Solution

The fourth proportional to 293,973.16, 440,817.02 and 172,426.79 is: 258,556.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,973.16 : 440,817.02 = 172,426.79 : x
  2. Step 2: Convert to fraction form
    293,973.16/440,817.02 = 172,426.79/x
  3. Step 3: Cross multiply
    293,973.16x = 440,817.02 × 172,426.79
  4. Step 4: Simplify right side
    293,973.16x = 76,008,660,669.75
  5. Step 5: Solve for x
    x = 76,008,660,669.75/293,973.16
  6. Step 6: Final answer
    x = 258,556.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.