Home / 201,056.54-277,447.20-115,017.23

Finding the Fourth Proportional to 201,056.54, 277,447.20 and 115,017.23

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Solution

The fourth proportional to 201,056.54, 277,447.20 and 115,017.23 is: 158,717.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,056.54 : 277,447.20 = 115,017.23 : x
  2. Step 2: Convert to fraction form
    201,056.54/277,447.20 = 115,017.23/x
  3. Step 3: Cross multiply
    201,056.54x = 277,447.20 × 115,017.23
  4. Step 4: Simplify right side
    201,056.54x = 31,911,208,415.26
  5. Step 5: Solve for x
    x = 31,911,208,415.26/201,056.54
  6. Step 6: Final answer
    x = 158,717.58

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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.