Home / 118,207.42-163,126.28-75,765.96

Finding the Fourth Proportional to 118,207.42, 163,126.28 and 75,765.96

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Solution

The fourth proportional to 118,207.42, 163,126.28 and 75,765.96 is: 104,557.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,207.42 : 163,126.28 = 75,765.96 : x
  2. Step 2: Convert to fraction form
    118,207.42/163,126.28 = 75,765.96/x
  3. Step 3: Cross multiply
    118,207.42x = 163,126.28 × 75,765.96
  4. Step 4: Simplify right side
    118,207.42x = 12,359,419,205.43
  5. Step 5: Solve for x
    x = 12,359,419,205.43/118,207.42
  6. Step 6: Final answer
    x = 104,557.05

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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.