Home / 215,914.47-323,862.53-73,772.49

Finding the Fourth Proportional to 215,914.47, 323,862.53 and 73,772.49

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Solution

The fourth proportional to 215,914.47, 323,862.53 and 73,772.49 is: 110,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,914.47 : 323,862.53 = 73,772.49 : x
  2. Step 2: Convert to fraction form
    215,914.47/323,862.53 = 73,772.49/x
  3. Step 3: Cross multiply
    215,914.47x = 323,862.53 × 73,772.49
  4. Step 4: Simplify right side
    215,914.47x = 23,892,144,886.94
  5. Step 5: Solve for x
    x = 23,892,144,886.94/215,914.47
  6. Step 6: Final answer
    x = 110,655.60

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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.