Home / 175,834.62-242,456.40-127,340.64

Finding the Fourth Proportional to 175,834.62, 242,456.40 and 127,340.64

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Solution

The fourth proportional to 175,834.62, 242,456.40 and 127,340.64 is: 175,588.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,834.62 : 242,456.40 = 127,340.64 : x
  2. Step 2: Convert to fraction form
    175,834.62/242,456.40 = 127,340.64/x
  3. Step 3: Cross multiply
    175,834.62x = 242,456.40 × 127,340.64
  4. Step 4: Simplify right side
    175,834.62x = 30,874,553,148.10
  5. Step 5: Solve for x
    x = 30,874,553,148.10/175,834.62
  6. Step 6: Final answer
    x = 175,588.59

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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.