Home / 193,270.56-266,712.72-108,387.36

Finding the Fourth Proportional to 193,270.56, 266,712.72 and 108,387.36

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Solution

The fourth proportional to 193,270.56, 266,712.72 and 108,387.36 is: 149,574.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,270.56 : 266,712.72 = 108,387.36 : x
  2. Step 2: Convert to fraction form
    193,270.56/266,712.72 = 108,387.36/x
  3. Step 3: Cross multiply
    193,270.56x = 266,712.72 × 108,387.36
  4. Step 4: Simplify right side
    193,270.56x = 28,908,287,599.22
  5. Step 5: Solve for x
    x = 28,908,287,599.22/193,270.56
  6. Step 6: Final answer
    x = 149,574.19

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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.