Home / 175,654.69-242,436.31-100,203.19

Finding the Fourth Proportional to 175,654.69, 242,436.31 and 100,203.19

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Solution

The fourth proportional to 175,654.69, 242,436.31 and 100,203.19 is: 138,299.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,654.69 : 242,436.31 = 100,203.19 : x
  2. Step 2: Convert to fraction form
    175,654.69/242,436.31 = 100,203.19/x
  3. Step 3: Cross multiply
    175,654.69x = 242,436.31 × 100,203.19
  4. Step 4: Simplify right side
    175,654.69x = 24,292,890,777.23
  5. Step 5: Solve for x
    x = 24,292,890,777.23/175,654.69
  6. Step 6: Final answer
    x = 138,299.13

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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.