Home / 113,519.58-156,657.14-65,800.65

Finding the Fourth Proportional to 113,519.58, 156,657.14 and 65,800.65

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Solution

The fourth proportional to 113,519.58, 156,657.14 and 65,800.65 is: 90,804.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,519.58 : 156,657.14 = 65,800.65 : x
  2. Step 2: Convert to fraction form
    113,519.58/156,657.14 = 65,800.65/x
  3. Step 3: Cross multiply
    113,519.58x = 156,657.14 × 65,800.65
  4. Step 4: Simplify right side
    113,519.58x = 10,308,142,144.35
  5. Step 5: Solve for x
    x = 10,308,142,144.35/113,519.58
  6. Step 6: Final answer
    x = 90,804.97

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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.