Home / 375,405.02-517,932.19-214,146.57

Finding the Fourth Proportional to 375,405.02, 517,932.19 and 214,146.57

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Solution

The fourth proportional to 375,405.02, 517,932.19 and 214,146.57 is: 295,449.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,405.02 : 517,932.19 = 214,146.57 : x
  2. Step 2: Convert to fraction form
    375,405.02/517,932.19 = 214,146.57/x
  3. Step 3: Cross multiply
    375,405.02x = 517,932.19 × 214,146.57
  4. Step 4: Simplify right side
    375,405.02x = 110,913,401,981.09
  5. Step 5: Solve for x
    x = 110,913,401,981.09/375,405.02
  6. Step 6: Final answer
    x = 295,449.97

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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.