Home / 371,926.44-513,259.20-202,160.16

Finding the Fourth Proportional to 371,926.44, 513,259.20 and 202,160.16

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Solution

The fourth proportional to 371,926.44, 513,259.20 and 202,160.16 is: 278,981.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,926.44 : 513,259.20 = 202,160.16 : x
  2. Step 2: Convert to fraction form
    371,926.44/513,259.20 = 202,160.16/x
  3. Step 3: Cross multiply
    371,926.44x = 513,259.20 × 202,160.16
  4. Step 4: Simplify right side
    371,926.44x = 103,760,561,993.47
  5. Step 5: Solve for x
    x = 103,760,561,993.47/371,926.44
  6. Step 6: Final answer
    x = 278,981.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.