Home / 192,366.48-288,552.96-87,186.36

Finding the Fourth Proportional to 192,366.48, 288,552.96 and 87,186.36

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Solution

The fourth proportional to 192,366.48, 288,552.96 and 87,186.36 is: 130,781.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,366.48 : 288,552.96 = 87,186.36 : x
  2. Step 2: Convert to fraction form
    192,366.48/288,552.96 = 87,186.36/x
  3. Step 3: Cross multiply
    192,366.48x = 288,552.96 × 87,186.36
  4. Step 4: Simplify right side
    192,366.48x = 25,157,882,249.63
  5. Step 5: Solve for x
    x = 25,157,882,249.63/192,366.48
  6. Step 6: Final answer
    x = 130,781.01

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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.