Home / 102,812.20-153,791.79-96,513.64

Finding the Fourth Proportional to 102,812.20, 153,791.79 and 96,513.64

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Solution

The fourth proportional to 102,812.20, 153,791.79 and 96,513.64 is: 144,370.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,812.20 : 153,791.79 = 96,513.64 : x
  2. Step 2: Convert to fraction form
    102,812.20/153,791.79 = 96,513.64/x
  3. Step 3: Cross multiply
    102,812.20x = 153,791.79 × 96,513.64
  4. Step 4: Simplify right side
    102,812.20x = 14,843,005,455.02
  5. Step 5: Solve for x
    x = 14,843,005,455.02/102,812.20
  6. Step 6: Final answer
    x = 144,370.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.