Home / 193,455.04-266,983.89-107,419.36

Finding the Fourth Proportional to 193,455.04, 266,983.89 and 107,419.36

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Solution

The fourth proportional to 193,455.04, 266,983.89 and 107,419.36 is: 148,247.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,455.04 : 266,983.89 = 107,419.36 : x
  2. Step 2: Convert to fraction form
    193,455.04/266,983.89 = 107,419.36/x
  3. Step 3: Cross multiply
    193,455.04x = 266,983.89 × 107,419.36
  4. Step 4: Simplify right side
    193,455.04x = 28,679,238,594.11
  5. Step 5: Solve for x
    x = 28,679,238,594.11/193,455.04
  6. Step 6: Final answer
    x = 148,247.56

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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.