Home / 110,402.84-165,631.80-51,280.40

Finding the Fourth Proportional to 110,402.84, 165,631.80 and 51,280.40

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Solution

The fourth proportional to 110,402.84, 165,631.80 and 51,280.40 is: 76,933.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,402.84 : 165,631.80 = 51,280.40 : x
  2. Step 2: Convert to fraction form
    110,402.84/165,631.80 = 51,280.40/x
  3. Step 3: Cross multiply
    110,402.84x = 165,631.80 × 51,280.40
  4. Step 4: Simplify right side
    110,402.84x = 8,493,664,956.72
  5. Step 5: Solve for x
    x = 8,493,664,956.72/110,402.84
  6. Step 6: Final answer
    x = 76,933.39

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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.