Home / 194,577.64-268,515.75-113,987.86

Finding the Fourth Proportional to 194,577.64, 268,515.75 and 113,987.86

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Solution

The fourth proportional to 194,577.64, 268,515.75 and 113,987.86 is: 157,302.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,577.64 : 268,515.75 = 113,987.86 : x
  2. Step 2: Convert to fraction form
    194,577.64/268,515.75 = 113,987.86/x
  3. Step 3: Cross multiply
    194,577.64x = 268,515.75 × 113,987.86
  4. Step 4: Simplify right side
    194,577.64x = 30,607,535,718.80
  5. Step 5: Solve for x
    x = 30,607,535,718.80/194,577.64
  6. Step 6: Final answer
    x = 157,302.43

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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.