Home / 350,178.39-525,431.61-172,588.59

Finding the Fourth Proportional to 350,178.39, 525,431.61 and 172,588.59

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Solution

The fourth proportional to 350,178.39, 525,431.61 and 172,588.59 is: 258,963.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,178.39 : 525,431.61 = 172,588.59 : x
  2. Step 2: Convert to fraction form
    350,178.39/525,431.61 = 172,588.59/x
  3. Step 3: Cross multiply
    350,178.39x = 525,431.61 × 172,588.59
  4. Step 4: Simplify right side
    350,178.39x = 90,683,500,711.33
  5. Step 5: Solve for x
    x = 90,683,500,711.33/350,178.39
  6. Step 6: Final answer
    x = 258,963.73

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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.