Home / 208,531.08-313,295.16-133,798.04

Finding the Fourth Proportional to 208,531.08, 313,295.16 and 133,798.04

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Solution

The fourth proportional to 208,531.08, 313,295.16 and 133,798.04 is: 201,016.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,531.08 : 313,295.16 = 133,798.04 : x
  2. Step 2: Convert to fraction form
    208,531.08/313,295.16 = 133,798.04/x
  3. Step 3: Cross multiply
    208,531.08x = 313,295.16 × 133,798.04
  4. Step 4: Simplify right side
    208,531.08x = 41,918,278,349.49
  5. Step 5: Solve for x
    x = 41,918,278,349.49/208,531.08
  6. Step 6: Final answer
    x = 201,016.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.