Home / 198,529.65-273,973.59-107,887.01

Finding the Fourth Proportional to 198,529.65, 273,973.59 and 107,887.01

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Solution

The fourth proportional to 198,529.65, 273,973.59 and 107,887.01 is: 148,885.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,529.65 : 273,973.59 = 107,887.01 : x
  2. Step 2: Convert to fraction form
    198,529.65/273,973.59 = 107,887.01/x
  3. Step 3: Cross multiply
    198,529.65x = 273,973.59 × 107,887.01
  4. Step 4: Simplify right side
    198,529.65x = 29,558,190,074.20
  5. Step 5: Solve for x
    x = 29,558,190,074.20/198,529.65
  6. Step 6: Final answer
    x = 148,885.52

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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.