Home / 192,837.72-288,753.52-155,192.16

Finding the Fourth Proportional to 192,837.72, 288,753.52 and 155,192.16

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Solution

The fourth proportional to 192,837.72, 288,753.52 and 155,192.16 is: 232,383.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,837.72 : 288,753.52 = 155,192.16 : x
  2. Step 2: Convert to fraction form
    192,837.72/288,753.52 = 155,192.16/x
  3. Step 3: Cross multiply
    192,837.72x = 288,753.52 × 155,192.16
  4. Step 4: Simplify right side
    192,837.72x = 44,812,282,476.40
  5. Step 5: Solve for x
    x = 44,812,282,476.40/192,837.72
  6. Step 6: Final answer
    x = 232,383.39

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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.