Home / 188,507.16-260,141.72-102,466.52

Finding the Fourth Proportional to 188,507.16, 260,141.72 and 102,466.52

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Solution

The fourth proportional to 188,507.16, 260,141.72 and 102,466.52 is: 141,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,507.16 : 260,141.72 = 102,466.52 : x
  2. Step 2: Convert to fraction form
    188,507.16/260,141.72 = 102,466.52/x
  3. Step 3: Cross multiply
    188,507.16x = 260,141.72 × 102,466.52
  4. Step 4: Simplify right side
    188,507.16x = 26,655,816,755.21
  5. Step 5: Solve for x
    x = 26,655,816,755.21/188,507.16
  6. Step 6: Final answer
    x = 141,404.80

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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.