Home / 236,381.60-354,638.10-131,274.38

Finding the Fourth Proportional to 236,381.60, 354,638.10 and 131,274.38

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Solution

The fourth proportional to 236,381.60, 354,638.10 and 131,274.38 is: 196,948.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,381.60 : 354,638.10 = 131,274.38 : x
  2. Step 2: Convert to fraction form
    236,381.60/354,638.10 = 131,274.38/x
  3. Step 3: Cross multiply
    236,381.60x = 354,638.10 × 131,274.38
  4. Step 4: Simplify right side
    236,381.60x = 46,554,896,701.88
  5. Step 5: Solve for x
    x = 46,554,896,701.88/236,381.60
  6. Step 6: Final answer
    x = 196,948.06

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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.