Home / 188,918.48-260,596.68-113,485.52

Finding the Fourth Proportional to 188,918.48, 260,596.68 and 113,485.52

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Solution

The fourth proportional to 188,918.48, 260,596.68 and 113,485.52 is: 156,543.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,918.48 : 260,596.68 = 113,485.52 : x
  2. Step 2: Convert to fraction form
    188,918.48/260,596.68 = 113,485.52/x
  3. Step 3: Cross multiply
    188,918.48x = 260,596.68 × 113,485.52
  4. Step 4: Simplify right side
    188,918.48x = 29,573,949,740.07
  5. Step 5: Solve for x
    x = 29,573,949,740.07/188,918.48
  6. Step 6: Final answer
    x = 156,543.45

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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.