Home / 193,043.53-266,309.96-121,463.02

Finding the Fourth Proportional to 193,043.53, 266,309.96 and 121,463.02

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Solution

The fourth proportional to 193,043.53, 266,309.96 and 121,463.02 is: 167,562.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,043.53 : 266,309.96 = 121,463.02 : x
  2. Step 2: Convert to fraction form
    193,043.53/266,309.96 = 121,463.02/x
  3. Step 3: Cross multiply
    193,043.53x = 266,309.96 × 121,463.02
  4. Step 4: Simplify right side
    193,043.53x = 32,346,812,169.91
  5. Step 5: Solve for x
    x = 32,346,812,169.91/193,043.53
  6. Step 6: Final answer
    x = 167,562.27

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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.