Home / 349,401.13-524,224.71-172,032.70

Finding the Fourth Proportional to 349,401.13, 524,224.71 and 172,032.70

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Solution

The fourth proportional to 349,401.13, 524,224.71 and 172,032.70 is: 258,109.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,401.13 : 524,224.71 = 172,032.70 : x
  2. Step 2: Convert to fraction form
    349,401.13/524,224.71 = 172,032.70/x
  3. Step 3: Cross multiply
    349,401.13x = 524,224.71 × 172,032.70
  4. Step 4: Simplify right side
    349,401.13x = 90,183,792,268.02
  5. Step 5: Solve for x
    x = 90,183,792,268.02/349,401.13
  6. Step 6: Final answer
    x = 258,109.62

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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.