Home / 215,925.09-297,822.36-187,193.37

Finding the Fourth Proportional to 215,925.09, 297,822.36 and 187,193.37

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Solution

The fourth proportional to 215,925.09, 297,822.36 and 187,193.37 is: 258,193.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,925.09 : 297,822.36 = 187,193.37 : x
  2. Step 2: Convert to fraction form
    215,925.09/297,822.36 = 187,193.37/x
  3. Step 3: Cross multiply
    215,925.09x = 297,822.36 × 187,193.37
  4. Step 4: Simplify right side
    215,925.09x = 55,750,371,229.75
  5. Step 5: Solve for x
    x = 55,750,371,229.75/215,925.09
  6. Step 6: Final answer
    x = 258,193.11

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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.