Home / 127,961.64-191,860.35-53,133.44

Finding the Fourth Proportional to 127,961.64, 191,860.35 and 53,133.44

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Solution

The fourth proportional to 127,961.64, 191,860.35 and 53,133.44 is: 79,666.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,961.64 : 191,860.35 = 53,133.44 : x
  2. Step 2: Convert to fraction form
    127,961.64/191,860.35 = 53,133.44/x
  3. Step 3: Cross multiply
    127,961.64x = 191,860.35 × 53,133.44
  4. Step 4: Simplify right side
    127,961.64x = 10,194,199,236.55
  5. Step 5: Solve for x
    x = 10,194,199,236.55/127,961.64
  6. Step 6: Final answer
    x = 79,666.06

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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.