Home / 188,733.48-260,445.70-103,842.60

Finding the Fourth Proportional to 188,733.48, 260,445.70 and 103,842.60

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Solution

The fourth proportional to 188,733.48, 260,445.70 and 103,842.60 is: 143,299.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,733.48 : 260,445.70 = 103,842.60 : x
  2. Step 2: Convert to fraction form
    188,733.48/260,445.70 = 103,842.60/x
  3. Step 3: Cross multiply
    188,733.48x = 260,445.70 × 103,842.60
  4. Step 4: Simplify right side
    188,733.48x = 27,045,358,646.82
  5. Step 5: Solve for x
    x = 27,045,358,646.82/188,733.48
  6. Step 6: Final answer
    x = 143,299.21

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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.