Home / 205,141.08-282,871.52-133,388.04

Finding the Fourth Proportional to 205,141.08, 282,871.52 and 133,388.04

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Solution

The fourth proportional to 205,141.08, 282,871.52 and 133,388.04 is: 183,930.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,141.08 : 282,871.52 = 133,388.04 : x
  2. Step 2: Convert to fraction form
    205,141.08/282,871.52 = 133,388.04/x
  3. Step 3: Cross multiply
    205,141.08x = 282,871.52 × 133,388.04
  4. Step 4: Simplify right side
    205,141.08x = 37,731,678,518.65
  5. Step 5: Solve for x
    x = 37,731,678,518.65/205,141.08
  6. Step 6: Final answer
    x = 183,930.39

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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.