Home / 350,168.18-525,416.30-172,578.31

Finding the Fourth Proportional to 350,168.18, 525,416.30 and 172,578.31

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Solution

The fourth proportional to 350,168.18, 525,416.30 and 172,578.31 is: 258,948.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,168.18 : 525,416.30 = 172,578.31 : x
  2. Step 2: Convert to fraction form
    350,168.18/525,416.30 = 172,578.31/x
  3. Step 3: Cross multiply
    350,168.18x = 525,416.30 × 172,578.31
  4. Step 4: Simplify right side
    350,168.18x = 90,675,456,218.36
  5. Step 5: Solve for x
    x = 90,675,456,218.36/350,168.18
  6. Step 6: Final answer
    x = 258,948.31

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1.5x scale

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.