Home / 117,124.20-175,699.10-113,437.80

Finding the Fourth Proportional to 117,124.20, 175,699.10 and 113,437.80

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Solution

The fourth proportional to 117,124.20, 175,699.10 and 113,437.80 is: 170,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,124.20 : 175,699.10 = 113,437.80 : x
  2. Step 2: Convert to fraction form
    117,124.20/175,699.10 = 113,437.80/x
  3. Step 3: Cross multiply
    117,124.20x = 175,699.10 × 113,437.80
  4. Step 4: Simplify right side
    117,124.20x = 19,930,919,365.98
  5. Step 5: Solve for x
    x = 19,930,919,365.98/117,124.20
  6. Step 6: Final answer
    x = 170,169.10

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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.