Home / 205,128.62-283,076.88-114,483.59

Finding the Fourth Proportional to 205,128.62, 283,076.88 and 114,483.59

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Solution

The fourth proportional to 205,128.62, 283,076.88 and 114,483.59 is: 157,987.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,128.62 : 283,076.88 = 114,483.59 : x
  2. Step 2: Convert to fraction form
    205,128.62/283,076.88 = 114,483.59/x
  3. Step 3: Cross multiply
    205,128.62x = 283,076.88 × 114,483.59
  4. Step 4: Simplify right side
    205,128.62x = 32,407,657,468.40
  5. Step 5: Solve for x
    x = 32,407,657,468.40/205,128.62
  6. Step 6: Final answer
    x = 157,987.01

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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.