Home / 129,383.02-177,594.64-114,919.66

Finding the Fourth Proportional to 129,383.02, 177,594.64 and 114,919.66

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Solution

The fourth proportional to 129,383.02, 177,594.64 and 114,919.66 is: 157,741.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,383.02 : 177,594.64 = 114,919.66 : x
  2. Step 2: Convert to fraction form
    129,383.02/177,594.64 = 114,919.66/x
  3. Step 3: Cross multiply
    129,383.02x = 177,594.64 × 114,919.66
  4. Step 4: Simplify right side
    129,383.02x = 20,409,115,646.62
  5. Step 5: Solve for x
    x = 20,409,115,646.62/129,383.02
  6. Step 6: Final answer
    x = 157,741.84

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.