Home / 188,024.50-259,473.81-103,141.77

Finding the Fourth Proportional to 188,024.50, 259,473.81 and 103,141.77

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Solution

The fourth proportional to 188,024.50, 259,473.81 and 103,141.77 is: 142,335.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,024.50 : 259,473.81 = 103,141.77 : x
  2. Step 2: Convert to fraction form
    188,024.50/259,473.81 = 103,141.77/x
  3. Step 3: Cross multiply
    188,024.50x = 259,473.81 × 103,141.77
  4. Step 4: Simplify right side
    188,024.50x = 26,762,588,032.04
  5. Step 5: Solve for x
    x = 26,762,588,032.04/188,024.50
  6. Step 6: Final answer
    x = 142,335.64

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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.