Home / 198,281.88-273,627.09-107,635.89

Finding the Fourth Proportional to 198,281.88, 273,627.09 and 107,635.89

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Solution

The fourth proportional to 198,281.88, 273,627.09 and 107,635.89 is: 148,536.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,281.88 : 273,627.09 = 107,635.89 : x
  2. Step 2: Convert to fraction form
    198,281.88/273,627.09 = 107,635.89/x
  3. Step 3: Cross multiply
    198,281.88x = 273,627.09 × 107,635.89
  4. Step 4: Simplify right side
    198,281.88x = 29,452,095,360.26
  5. Step 5: Solve for x
    x = 29,452,095,360.26/198,281.88
  6. Step 6: Final answer
    x = 148,536.49

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1.5x scale

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.