Home / 192,985.92-289,487-52,744.16

Finding the Fourth Proportional to 192,985.92, 289,487 and 52,744.16

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Solution

The fourth proportional to 192,985.92, 289,487 and 52,744.16 is: 79,118.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,985.92 : 289,487 = 52,744.16 : x
  2. Step 2: Convert to fraction form
    192,985.92/289,487 = 52,744.16/x
  3. Step 3: Cross multiply
    192,985.92x = 289,487 × 52,744.16
  4. Step 4: Simplify right side
    192,985.92x = 15,268,748,645.92
  5. Step 5: Solve for x
    x = 15,268,748,645.92/192,985.92
  6. Step 6: Final answer
    x = 79,118.46

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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.