Home / 374,985.65-517,473.28-205,216.37

Finding the Fourth Proportional to 374,985.65, 517,473.28 and 205,216.37

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Solution

The fourth proportional to 374,985.65, 517,473.28 and 205,216.37 is: 283,194.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,985.65 : 517,473.28 = 205,216.37 : x
  2. Step 2: Convert to fraction form
    374,985.65/517,473.28 = 205,216.37/x
  3. Step 3: Cross multiply
    374,985.65x = 517,473.28 × 205,216.37
  4. Step 4: Simplify right side
    374,985.65x = 106,193,988,093.59
  5. Step 5: Solve for x
    x = 106,193,988,093.59/374,985.65
  6. Step 6: Final answer
    x = 283,194.81

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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.