Home / 193,155.98-266,541.81-107,119.42

Finding the Fourth Proportional to 193,155.98, 266,541.81 and 107,119.42

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Solution

The fourth proportional to 193,155.98, 266,541.81 and 107,119.42 is: 147,817.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,155.98 : 266,541.81 = 107,119.42 : x
  2. Step 2: Convert to fraction form
    193,155.98/266,541.81 = 107,119.42/x
  3. Step 3: Cross multiply
    193,155.98x = 266,541.81 × 107,119.42
  4. Step 4: Simplify right side
    193,155.98x = 28,551,804,092.95
  5. Step 5: Solve for x
    x = 28,551,804,092.95/193,155.98
  6. Step 6: Final answer
    x = 147,817.34

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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.