Home / 188,537.23-260,191.89-103,671.91

Finding the Fourth Proportional to 188,537.23, 260,191.89 and 103,671.91

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Solution

The fourth proportional to 188,537.23, 260,191.89 and 103,671.91 is: 143,073.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,537.23 : 260,191.89 = 103,671.91 : x
  2. Step 2: Convert to fraction form
    188,537.23/260,191.89 = 103,671.91/x
  3. Step 3: Cross multiply
    188,537.23x = 260,191.89 × 103,671.91
  4. Step 4: Simplify right side
    188,537.23x = 26,974,590,202.81
  5. Step 5: Solve for x
    x = 26,974,590,202.81/188,537.23
  6. Step 6: Final answer
    x = 143,073.02

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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.