Home / 350,158.89-525,402.36-172,569.02

Finding the Fourth Proportional to 350,158.89, 525,402.36 and 172,569.02

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Solution

The fourth proportional to 350,158.89, 525,402.36 and 172,569.02 is: 258,934.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,158.89 : 525,402.36 = 172,569.02 : x
  2. Step 2: Convert to fraction form
    350,158.89/525,402.36 = 172,569.02/x
  3. Step 3: Cross multiply
    350,158.89x = 525,402.36 × 172,569.02
  4. Step 4: Simplify right side
    350,158.89x = 90,668,171,684.39
  5. Step 5: Solve for x
    x = 90,668,171,684.39/350,158.89
  6. Step 6: Final answer
    x = 258,934.37

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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.