Home / 253,918.35-380,758.16-93,883.72

Finding the Fourth Proportional to 253,918.35, 380,758.16 and 93,883.72

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Solution

The fourth proportional to 253,918.35, 380,758.16 and 93,883.72 is: 140,781.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,918.35 : 380,758.16 = 93,883.72 : x
  2. Step 2: Convert to fraction form
    253,918.35/380,758.16 = 93,883.72/x
  3. Step 3: Cross multiply
    253,918.35x = 380,758.16 × 93,883.72
  4. Step 4: Simplify right side
    253,918.35x = 35,746,991,414.35
  5. Step 5: Solve for x
    x = 35,746,991,414.35/253,918.35
  6. Step 6: Final answer
    x = 140,781.44

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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.