Home / 201,184.25-277,641.56-115,159.01

Finding the Fourth Proportional to 201,184.25, 277,641.56 and 115,159.01

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Solution

The fourth proportional to 201,184.25, 277,641.56 and 115,159.01 is: 158,923.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,184.25 : 277,641.56 = 115,159.01 : x
  2. Step 2: Convert to fraction form
    201,184.25/277,641.56 = 115,159.01/x
  3. Step 3: Cross multiply
    201,184.25x = 277,641.56 × 115,159.01
  4. Step 4: Simplify right side
    201,184.25x = 31,972,926,608.66
  5. Step 5: Solve for x
    x = 31,972,926,608.66/201,184.25
  6. Step 6: Final answer
    x = 158,923.61

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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.