Home / 192,579.64-288,811.14-52,320.04

Finding the Fourth Proportional to 192,579.64, 288,811.14 and 52,320.04

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Solution

The fourth proportional to 192,579.64, 288,811.14 and 52,320.04 is: 78,464.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,579.64 : 288,811.14 = 52,320.04 : x
  2. Step 2: Convert to fraction form
    192,579.64/288,811.14 = 52,320.04/x
  3. Step 3: Cross multiply
    192,579.64x = 288,811.14 × 52,320.04
  4. Step 4: Simplify right side
    192,579.64x = 15,110,610,397.25
  5. Step 5: Solve for x
    x = 15,110,610,397.25/192,579.64
  6. Step 6: Final answer
    x = 78,464.22

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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.