Home / 114,423.30-157,817.16-100,251.54

Finding the Fourth Proportional to 114,423.30, 157,817.16 and 100,251.54

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Solution

The fourth proportional to 114,423.30, 157,817.16 and 100,251.54 is: 138,270.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,423.30 : 157,817.16 = 100,251.54 : x
  2. Step 2: Convert to fraction form
    114,423.30/157,817.16 = 100,251.54/x
  3. Step 3: Cross multiply
    114,423.30x = 157,817.16 × 100,251.54
  4. Step 4: Simplify right side
    114,423.30x = 15,821,413,328.43
  5. Step 5: Solve for x
    x = 15,821,413,328.43/114,423.30
  6. Step 6: Final answer
    x = 138,270.91

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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.